2(x-1)²-½=0,求x值
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2(x-1)²-½=0,求x值
2(x-1)²-½=0,求x值
2(x-1)²-½=0,求x值
2(x-1)²-½=0
(x-1)=1/4
x-1=+-1/2
x1=1.5 x2=0.5
两边乘以2
4(x-1)²-1=0
(2x-2+1)(2x-2-1)=0
(2x-1)(2x-3)=0
2x-1=0,x=1/2
2x-3=0,x=3/2