(x-3)(x-2)+18=(x+9)(x+1)

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/08 03:17:32

(x-3)(x-2)+18=(x+9)(x+1)
(x-3)(x-2)+18=(x+9)(x+1)

(x-3)(x-2)+18=(x+9)(x+1)
(x-3)(x-2)+18=(x+9)(x+1)
x^2-5x+6+18=x^2+10x+9
24-5x=10x+9
5x+10x=24-9
15x=15
x=1