因式分解:(x^2-6)^2-25x^2
问题描述:
因式分解:(x^2-6)^2-25x^2
答
(x^2-6)^2-25x^2
=[(x²-6)+5x][(x²-6)-5x]
=(x²+5x-6)(x²-5x-6)
=(x+6)(x-1)(x-2)(x-3)