(3x+2y)^2-(2x+3y)^2 分解因式

分类: 作业答案 • 2022-02-19 22:19:45

问题描述：

答

(3x+2y)^2-(2x+3y)^2
=(3x+2y+2x+3y)(3x+2y-2x-3y)
=(5x+5y)(x-y)
=5(x+y)(x-y)

答

(3x+2y)^2-(2x+3y)^2
=[(3x+2y)+(2x+3y)][(3x+2y)-(2x+3y)]
=(5x+5y)(x-y)
=5(x+y)(x-y)

答

(3x+2y)^2-(2x+3y)^2
=(3x+2y+2x+3y)(3x+2y-2x-3y)
=(5x+5y)(x-y)
=5(x+y)(x-y)