4*(x-1)^2=9怎么解

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4*(x-1)^2=9怎么解
4*(x-1)^2=9
怎么解

4*(x-1)^2=9怎么解
(x-1)²=9/4
x-1=-3/2,x-1=3/2
x=-1/2,x=5/2

4*(x-1)^2=9
(x-1)^2=9/4=(3/2)^2
x-1=±3/2
x=5/2或x=-1/2

(x-1)^2=9/4 x-1=±3/2 x1=5/2 x2=-1/2