(x-2)²=x-2.①2(√2x-3)²=12;②(3x-4)²=(4x-3)².

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(x-2)²=x-2.①2(√2x-3)²=12;②(3x-4)²=(4x-3)².
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(x-2)²=x-2.①2(√2x-3)²=12;②(3x-4)²=(4x-3)².
(x-2)²=x-2.①2(√2x-3)²=12;②(3x-4)²=(4x-3)².

(x-2)²=x-2.①2(√2x-3)²=12;②(3x-4)²=(4x-3)².

(x-2)²=x-2

(x-2)²-(x-2)=0

(x-2)(x-2-1)=0

x-2=0或x-3=0

x1=2   x2=3


①2(√2x-3)²=12

(√2x-3)²=6

√2x-3=±√6

√2x=3±√6

x=3/√2±√3

x1=3√2/2+√3      x1=3√2/2-√3      


②(3x-4)²=(4x-3)²

(3x-4)²-(4x-3)²=0

(3x-4+4x-3)(3x-4-4x+3)=0

(7x-7)(-x-1)=0

-7(x-1)(x+1)=0

x-1=0或x+1=0

x1=1    x2=-1


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