因式分解m²+2m(m-n)+(m-n)²,16-8(x-y)+(x-y)²
因式分解m²+2m(m-n)+(m-n)²,16-8(x-y)+(x-y)²
因式分解:(m-n)²+2(n-m)=_______ 因式分解:x²-y²+6y-9=__
因式分解:1.(m-n)²-2m+2n 2.x²-y²-(x+y)²
因式分解:3a(x-y)+9(y-x)(2m-3n)²-2m+3n
3m(x-y)-2(y-x)²因式分解
因式分解(1)、m²(x-y)+n²(y-x) (2)16(x+y)²-25(x-y)
计算(1)(3m-4n)(3m+4n)-(2m-2n)(2m+n) (2)(x+5y)²-(x-5y)
因式分解:(1)18(m+n)²-2(m-n)² (2)2y-3x-9x²+4y²
因式分解(m²+n²)²-4m²n² x ²+2x+1-y&
因式分解:mn(x²+y²)+xy(m²+n²)
因式分解4-(2x-1)² (2m-n)²-121(m+n)²
(1)(2x+y)²-(x+2y)² (2)(m+n)²-4m(m+n)+4m ²