问一道因式分解的问题,因式分解化到什么地步算OK

2个回答

y^2(x^2-2x)^3+y^2
=y[(x-3x)+1]
=y(x-3x+1)(x^4-6x+9x-x+3x+1)
=y(x-3x+1)(x^4-6x+8x+3x+1)