(x-y)³-x+y (a+b)²-(a-b)² (x-3)³-4x+12
(x-y)³-x+y (a+b)²-(a-b)² (x-3)³-4x+12
因式分解:(1)(a+b)²+a+b+1/4 (2)6(x-y)²+3(y-x)³
计算:(a-b)(x-y)-(b-a)(x+y) 4+12(x-y)+9(x-y)²
因式分解(a-b)²(x-y)-(b-a)(y-x)²=(a-b)(x-y)×( )
因式分解:(1) 12a²b(x-y)³-4ab(y-x)² (2) (a²-4
计算(x-y)(y-x)²·(x-y)³;(b-a)(a-b)³(a-b)的5次方.
因式分解 (1)9(a-b)²-16(a+b)² (2)3x³-12x²y
已知|x-y-3|+(a+b+4)²=0,求2a+2b-(a+b)分之(x-y)²-3(y-x)的值
如果3x²y(A+2y-3y²)=15x³y+6x²y²+B,那麽多项
因式分解(a²-ab)+c(a-b) (x-y)四次方+x(x-y)³+y(y-x)³
已知集合A={y|y=x²-2x},B{x|y=根号(-x²-2x+3)},则A∩B=
下列因式分解错误的是:A.x-2xy+y²;=(x-y)²; B.x³-x=x(x