(x-3)²-9=0

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/27 12:45:53
(x-3)²-9=0(x-3)²-9=0(x-3)²-9=0(x-3)²-9=0(x-3)²=9x-3=±3x=±3+3x1=3+3=6x2=-3+3

(x-3)²-9=0
(x-3)²-9=0

(x-3)²-9=0
(x - 3)² - 9 = 0
(x - 3)² = 9
x - 3 = ± 3
x = ± 3 + 3
x1 = 3 + 3 = 6
x2 = - 3 + 3 = 0