x^2y^2-y^4-12xy^2+36y^2 因式分解
问题描述:
x^2y^2-y^4-12xy^2+36y^2 因式分解
答
x^2y^2-y^4-12xy^2+36y^2
=y²(x²-12x+36)-y^4
=y²(x-6)²-y^4
=(xy-6y+y²)(xy-6y-y²)