请高手帮忙讲解这两道题因式分解 X³-4X²+4X (X²-X)²+½(X²-X)+1⼀16

2025-02-24 18:35:08
推荐回答(1个)
回答1:

X³-4X²+4X
=x(X²-4x+4)
=x(x-2)²

(X²-X)²+½(X²-X)+1/16
=(x²-x+1/4)²
=(x-1/2)^4