(x^3+8)⼀(x+2)是怎么化简成 x^2-2x+4的?

2025-06-26 12:35:35
推荐回答(1个)
回答1:

(x^3+8)/(x+2)
=(x^3+2^3)/(x+2)
=(x+2)(x^2-2x+4)/(x+2)
=x^2-2x+4