on the verge of:预备 因式分解

来源:百度文库 编辑:高校问答 时间:2024/05/09 03:41:41
XXX+9XX+26X+24

x^3 + 9x^2 + 26x + 24
= (x + 2)(x^2 + 7x + 12)
= (x + 2)(x + 3)(x + 4)

x^3 + 9x^2 + 26x + 24
= (x + 2)(x + 7x + 12)
= (x + 2)(x + 3)(x + 4)