(2x-3)^2-(x-9)^2因式分解

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/23 22:46:37
(2x-3)^2-(x-9)^2因式分解
x)05֌3ըеOg/xiGۋm+/! 5eCs k",i KByeFf6yvPmt@uDu+-5tBd5  SY

(2x-3)^2-(x-9)^2因式分解
(2x-3)^2-(x-9)^2因式分解

(2x-3)^2-(x-9)^2因式分解
(2x-3)²-(x-9)²
=[(2x-3)+(x-9)][(2x-3)-(x-9)]
=(3x-12)(x+6)

(2x-3)^2-(x-9)^2
=(2x-3-x+9)(2x-3+x-9)
=3(x+6)(x-4)