(50-X)*62.5%+3/2=32

x/3分之2+(32-x)/62.5%=50 x+3x+x-2+x+x+50%x=188 求x (x+1)+(x+2)+(X+3).+(x+50)=1325 x+2x+(32-2x)+3/5(32-2x)=50 2x(7-3x)+5x(2x+1)=x(4x-3)+32 (50-X)*62.5%+3/2=32 (32-2x)x=120 (x+3)^2=-x(x+5) 两个方程 8x^2(x+3)-8x(x+1)^2=8x^2-32 50×48%+(50-x)×62.5%+ 2/3x=100×56% x=? (X+1)X(X+2)X(X+3)=504 解方程2x+3x+5x=32 =(x^2-5x)^2+10(x^2-5x)+24 =x^4-10x^3+25x^2+10x^2-50x+24 这是怎么转化的(X-1)(X-2)(X-3)(X-4) =(X-1)(X-4) (X-2)(X-3)=（x^2-5x+4)(x^2-5x+6)=(x^2-5x)^2+10(x^2-5x)+24=x^4-10x^3+25x^2+10x^2-50x+24=x^4-10x^3+35x^2-50x+24 3x-2x(50-x)=30 x/50-3=x/60+2 求x 一个“整式的乘法”的问题请先阅读下列解题过程,再仿做下面的问题.已知X*X + X - 1=0,求X*X*X + 2*X*X + 3的值.解X*X*X + 2X*X +3=X*X*X +X*X -X +X*X +X +3=X{X*X +X -1} +X*X +X -1 +4=0+0+4=4+ x + X*X + X*X*X=0.+ X*X + X*X*X =（x^2-5x+4)(x^2-5x+6) =(x^2-5x)^2+10(x^2-5x)+24 是怎么转化的(X-1)(X-2)(X-3)(X-4) =(X-1)(X-4) (X-2)(X-3)=（x^2-5x+4)(x^2-5x+6)=(x^2-5x)^2+10(x^2-5x)+24=x^4-10x^3+25x^2+10x^2-50x+24=x^4-10x^3+35x^2-50x+24不好意思我弄错了，是=（x^2-5 3x+2(12-x)=32 1、1/2x=2/x+32、x/x+1=（2x/3x+3）+13、2/x-1=4/x²-14、5/x²+x-1/x²-x=0