2x(x²+y²)²-8x³y²因式分解

问题描述:

2x(x²+y²)²-8x³y²因式分解

2x[(x²+y²)-4x²y²]
=2x(x²+y²-2xy)(x²+y²+2xy)
=2x(x-y)²(x+y)²要化简彻底。已经最彻底了2x(x-y)²(x+y)²