4(X方+3X+1)方-(X方+X-4)方-(X方+5X+6)方因式分解
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4(X方+3X+1)方-(X方+X-4)方-(X方+5X+6)方因式分解4(X方+3X+1)方-(X方+X-4)方-(X方+5X+6)方因式分解4(X方+3X+1)方-(X方+X-4)方-(X方+5X
4(X方+3X+1)方-(X方+X-4)方-(X方+5X+6)方因式分解
4(X方+3X+1)方-(X方+X-4)方-(X方+5X+6)方因式分解
4(X方+3X+1)方-(X方+X-4)方-(X方+5X+6)方因式分解
4(x^2+3x+1)^2-(x^2+x-4)^2-(x^2+5x+6)^2
=(2x^2+6x+2)^2-(x^2+x-4)^2-(x^2+5x+6)^2 ……前两个用平方差公式
=(x^2+5x+6)(3x^2+7x-2)-(x^2+5x+6)^2
=(x^2+5x+6)(2x^+2x-8)
=2(x+2)(x+3)(x^2+x-4)
4*(X^2+3*X+1)^2-(X^2+X-4)^2-(X^2+5*X+6)^2
=2*(X+2)*(X+3)*(X^2+X-4)
4(X方+3X+1)方-(X方+X-4)方-(X方+5X+6)方因式分解
x方-4x+3=(x- )方-1
因式分解:(x方+y方)-4x方y方?
(x方+1)方-4x方,因式分解
因式分解x的5方-x的4方+x的3方-x的2方+x-1,
计算 x-2分之x方+1-2-x分之3-4x (x+y)x方-y方分之x方+y-x分之y方
x方-xy+1/4y方
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8/(x方+x)+2/(x方-x)=4/(x方-1)
因式分解 (a方+b方-1)方-4a方b方1.(x方-x)方-14(x方-x)+242.(x方-5x)(x方-5x-2)-243.(x-y)n次方-(x-y)n-3次方4.(1-a方)(1-b方)-4ab
(x方+4)方-16x方 因式分解
((3/2x方+xy-3/5y方)*(-4/3x方y方)
(3/2x方+xy-3/5y方)*(-4/3x方y方)
解方程:9(x方-1)方=4(x方+1)方
(x方y方+1)的平方-4x方y方
x方+y方-x方y方-4xy-1因式分解
x方y方-x方-y方+1因式分解
3x(2x方-x+4)