因式分解 (a+b)²-1 -(x+2)²+16(x-1)² (3x+2y)²-
因式分解 (1)9(a-b)²-16(a+b)² (2)3x³-12x²y
因式分解:(1)(a+b)²+a+b+1/4 (2)6(x-y)²+3(y-x)³
因式分解2x²y-xy-3y (-a+b)+c²(a-b)
因式分解:(1) 12a²b(x-y)³-4ab(y-x)² (2) (a²-4
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 (1).(x+y)(x+y-6)+9 (2).x²-16y²-x-4y
1、(x-1分之x²)-x-1(因式分解);2、x²(x-y)²-4(y-x)²
因式分解 (a+b)²-1 -(x+2)²+16(x-1)² (3x+2y)²-
因式分解:(1)x²+x (2)4x²-9y (3)x²y-4y
因式分解(a-b)²(x-y)-(b-a)(y-x)²=(a-b)(x-y)×( )
下列因式分解错误的是:A.x-2xy+y²;=(x-y)²; B.x³-x=x(x