分解因式:3x(x-y)3-6y(y-x)
问题描述:
分解因式:3x(x-y)3-6y(y-x)
答
3(x-y)(3x+2y)
答
=3x(x-y)3+6y(x-y)
=(x-y)(9x+6y)
答
青春无名的答案是对的
答
3x(x-y)³-6y(y-x)
=3x(x-y)³+6y(x-y)
=3(x-y)[x(x-y)²+2y]
==3(x-y)(x³-2x²y-xy²+2y)
答
=3x(x-y)^3+6y(x-y)
=3(X-Y)(X(X-Y)^2+2Y)
=3(X-Y)(X(X-Y)^2+2Y)
=3(x-y)(x³-2x²y+xy²+2y)