9(x-1)²-4=0

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/01 06:11:14

9(x-1)²-4=0
9(x-1)²-4=0

9(x-1)²-4=0
9(x-1)²-4=0
(x-1)²=4/9
x-1=2/3 或 x-1=-2/3
x=5/3 或 x=1/3

9(x-1)²-4=0
9(x-1)²=4
(x-1)²=4/9
x-1=±2/3
x=1±2/3,即x=5/3或x=1/3