(x+5)(x-6)=-24 怎么解

来源:学生作业帮助网 编辑:六六作业网 时间:2024/07/07 04:51:29
(x+5)(x-6)=-24怎么解(x+5)(x-6)=-24怎么解(x+5)(x-6)=-24怎么解(x+5)(x-6)=-24x²-x-30+24=0x²-x-6=0(x-3)

(x+5)(x-6)=-24 怎么解
(x+5)(x-6)=-24 怎么解

(x+5)(x-6)=-24 怎么解
(x+5)(x-6)=-24
x²-x-30+24=0
x²-x-6=0
(x-3)(x+2)=0
x=3,x=-2