(x^2-3)(x^2-5)+1 fen jie
问题描述:
(x^2-3)(x^2-5)+1 fen jie
答
(x^2-3)(x^2-5)+1
= x^4-8x^2+16
=(x^2-4)^2
=(x+2)^2(x-2)^2