(x²-x)²-8(x²-x)+12=0

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/25 05:20:01
(x²-x)²-8(x²-x)+12=0(x²-x)²-8(x²-x)+12=0(x²-x)²-8(x²-x)

(x²-x)²-8(x²-x)+12=0
(x²-x)²-8(x²-x)+12=0

(x²-x)²-8(x²-x)+12=0
(x²-x)²-8(x²-x)+12=0
(x²-x-2)(x²-x-6)=0
x²-x-2=0或x²-x-6=0
(x-2)(x+1)=0或(x-3)(x+2)=0
解得x1=2 x2=-1 x3=3 x4=-2
祝学习快乐!