因式分解:16(x+ y)∧2 +121(x-y)∧2-88(x +y)(x-y)
因式分解:16(x+ y)∧2 +121(x-y)∧2-88(x +y)(x-y)
求因式分解(x-y)²-2(x-y)³和(x+y)(x-y)-x(x-y)
因式分解(x+y)^2+(x+y)-20
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(2x+y)²-(x+2y)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
因式分解-81+18(X+Y)-(X+Y)^2
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
1) (x+y)^2-(x+y)^3 2) (x-y)^2-(x-y)^3 3)(x-y)^2-(y-x)^3 因式分解
2(x+y)(x-y)-6(x-y)^2因式分解