4(3x+y)²-(2x-y)²(因式分解)
3(x-2y)²+(x-2y)因式分解
3m(x-y)-2(y-x)²因式分解
(2x+y)²-(x+2y)² 因式分解
因式分解:(x+3y)²-x-3y
因式分解:(1)x²+x (2)4x²-9y (3)x²y-4y
求因式分解(x-y)²-2(x-y)³和(x+y)(x-y)-x(x-y)
因式分解:4x²(x-y)-2x(y-x)
因式分解 (1).(x+y)(x+y-6)+9 (2).x²-16y²-x-4y
因式分解,5y(x-2y)²-20y(2x-y)²
因式分解(x+y)²(x-y)-(x+y)(x²+y²)
因式分解:[x(x²y²-xy)-y(x²-x³y)]÷3x²y
因式分解 -5x³y(x-y)³+20y【x²(y-x)】²