帮我解一个二元二次的符号方程组-9*x1^2-6*x1*x2+3*x2^2+(12*e1-24)*x1-4*e1^2-12*e1-12+3*k=0-3*x1^2+6*x1*x2+9*x2^2-(12*e1+72)*x2+4*e1^2+36*e1+108+3*k=0

帮我解一个二元二次的符号方程组-9*x1^2-6*x1*x2+3*x2^2+(12*e1-24)*x1-4*e1^2-12*e1-12+3*k=0-3*x1^2+6*x1*x2+9*x2^2-(12*e1+72)*x2+4*e1^2+36*e1+108+3*k=0
帮我解一个二元二次的符号方程组
-9*x1^2-6*x1*x2+3*x2^2+(12*e1-24)*x1-4*e1^2-12*e1-12+3*k=0
-3*x1^2+6*x1*x2+9*x2^2-(12*e1+72)*x2+4*e1^2+36*e1+108+3*k=0

帮我解一个二元二次的符号方程组-9*x1^2-6*x1*x2+3*x2^2+(12*e1-24)*x1-4*e1^2-12*e1-12+3*k=0-3*x1^2+6*x1*x2+9*x2^2-(12*e1+72)*x2+4*e1^2+36*e1+108+3*k=0
这组方程看不懂那 没办法帮你解

x1=(144*e1 - 42*k - (1440*(3*e1 + k/8 - (e1^2/48 + (7*e1)/4 + 8)^2/9 + (29*e1^2)/72 + e1^3/144 + 17/3))/((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/1...

全部展开

x1=(144*e1 - 42*k - (1440*(3*e1 + k/8 - (e1^2/48 + (7*e1)/4 + 8)^2/9 + (29*e1^2)/72 + e1^3/144 + 17/3))/((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + (((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + 5)^2 + (3*e1 + k/8 - (e1^2/48 + (7*e1)/4 + 8)^2/9 + (29*e1^2)/72 + e1^3/144 + 17/3)^3)^(1/2) + 5)^(1/3) - 192*((7*e1)/12 - (3*e1 + k/8 - (e1^2/48 + (7*e1)/4 + 8)^2/9 + (29*e1^2)/72 + e1^3/144 + 17/3)/((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + (((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + 5)^2 + (3*e1 + k/8 - (e1^2/48 + (7*e1)/4 + 8)^2/9 + (29*e1^2)/72 + e1^3/144 + 17/3)^3)^(1/2) + 5)^(1/3) + ((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + (((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + 5)^2 + (3*e1 + k/8 - (e1^2/48 + (7*e1)/4 + 8)^2/9 + (29*e1^2)/72 + e1^3/144 + 17/3)^3)^(1/2) + 5)^(1/3) + e1^2/144 + 8/3)^2 + 3*e1*k + 1440*((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + (((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + 5)^2 + (3*e1 + k/8 - (e1^2/48 + (7*e1)/4 + 8)^2/9 + (29*e1^2)/72 + e1^3/144 + 17/3)^3)^(1/2) + 5)^(1/3) + 228*e1*((7*e1)/12 - (3*e1 + k/8 - (e1^2/48 + (7*e1)/4 + 8)^2/9 + (29*e1^2)/72 + e1^3/144 + 17/3)/((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + (((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + 5)^2 + (3*e1 + k/8 - (e1^2/48 + (7*e1)/4 + 8)^2/9 + (29*e1^2)/72 + e1^3/144 + 17/3)^3)^(1/2) + 5)^(1/3) + ((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + (((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + 5)^2 + (3*e1 + k/8 - (e1^2/48 + (7*e1)/4 + 8)^2/9 + (29*e1^2)/72 + e1^3/144 + 17/3)^3)^(1/2) + 5)^(1/3) + e1^2/144 + 8/3) - 3*k*((7*e1)/12 - (3*e1 + k/8 - (e1^2/48 + (7*e1)/4 + 8)^2/9 + (29*e1^2)/72 + e1^3/144 + 17/3)/((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + (((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + 5)^2 + (3*e1 + k/8 - (e1^2/48 + (7*e1)/4 + 8)^2/9 + (29*e1^2)/72 + e1^3/144 + 17/3)^3)^(1/2) + 5)^(1/3) + ((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + (((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + 5)^2 + (3*e1 + k/8 - (e1^2/48 + (7*e1)/4 + 8)^2/9 + (29*e1^2)/72 + e1^3/144 + 17/3)^3)^(1/2) + 5)^(1/3) + e1^2/144 + 8/3) - 74*e1^2 + 2*e1^2*((7*e1)/12 - (3*e1 + k/8 - (e1^2/48 + (7*e1)/4 + 8)^2/9 + (29*e1^2)/72 + e1^3/144 + 17/3)/((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + (((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + 5)^2 + (3*e1 + k/8 - (e1^2/48 + (7*e1)/4 + 8)^2/9 + (29*e1^2)/72 + e1^3/144 + 17/3)^3)^(1/2) + 5)^(1/3) + ((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + (((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + 5)^2 + (3*e1 + k/8 - (e1^2/48 + (7*e1)/4 + 8)^2/9 + (29*e1^2)/72 + e1^3/144 + 17/3)^3)^(1/2) + 5)^(1/3) + e1^2/144 + 8/3) + 1728)/(2*e1^2 + 12*e1 + 3*k + 288);
x2=(7*e1)/12 - (3*e1 + k/8 - (e1^2/48 + (7*e1)/4 + 8)^2/9 + (29*e1^2)/72 + e1^3/144 + 17/3)/((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + (((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + 5)^2 + (3*e1 + k/8 - (e1^2/48 + (7*e1)/4 + 8)^2/9 + (29*e1^2)/72 + e1^3/144 + 17/3)^3)^(1/2) + 5)^(1/3) + ((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + (((41*e1)/8 + (3*k)/16 + (7*e1*k)/64 + (e1^2*k)/384 + (e1^2/48 + (7*e1)/4 + 8)^3/27 + (17*e1^2)/12 + (5*e1^3)/32 + e1^4/288 + k^2/512 - ((e1^2/48 + (7*e1)/4 + 8)*(e1^3/48 + (29*e1^2)/24 + 9*e1 + (3*k)/8 + 17))/6 + 5)^2 + (3*e1 + k/8 - (e1^2/48 + (7*e1)/4 + 8)^2/9 + (29*e1^2)/72 + e1^3/144 + 17/3)^3)^(1/2) + 5)^(1/3) + e1^2/144 + 8/3;
答案就写了两个，太长了写不下。我是用matlab软件求解的。希望你能满意！

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