6(x-1)²-9=0 求x的值?
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6(x-1)²-9=0 求x的值?
6(x-1)^2=9
(x-1)^2=3/2
6(x-1)²=9 (x-1)²=9/6 x-1=±√6/2 x=√6/2+1或x=-√6/2+1
6(x-1)²-9=0 求x的值?
6(x-1)^2=9
(x-1)^2=3/2
6(x-1)²=9 (x-1)²=9/6 x-1=±√6/2 x=√6/2+1或x=-√6/2+1