因式分解1.2(x-y)²-x+y 2.81-9x² 3.-2a³+12a²-1
因式分解1.2(x-y)²-x+y 2.81-9x² 3.-2a³+12a²-1
因式分解 a²(y-x)+(x-y)
因式分解:(1) 12a²b(x-y)³-4ab(y-x)² (2) (a²-4
因式分解 (1)9(a-b)²-16(a+b)² (2)3x³-12x²y
10a(x-y)²-5a(y-x) 因式分解
因式分解(1)a²x²+4ax²y+4x²y²;(2)x³+
a²(x-y)²-2a(x-y)三次方+(x-y)四次方 因式分解
因式分解:(1)(a+b)²+a+b+1/4 (2)6(x-y)²+3(y-x)³
求因式分解(x-y)²-2(x-y)³和(x+y)(x-y)-x(x-y)
下列因式分解错误的是:A.x-2xy+y²;=(x-y)²; B.x³-x=x(x
因式分解 (1).(x+y)(x+y-6)+9 (2).x²-16y²-x-4y
因式分解:x²(x-y)+(y-x)