(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.](/uploads/image/z/700511-23-1.jpg?t=%28x-2%29%26%23178%3B%3Dx-2.%E2%91%A02%28%E2%88%9A2x-3%29%26%23178%3B%3D12%EF%BC%9B%E2%91%A1%EF%BC%883x-4%EF%BC%89%26%23178%3B%3D%EF%BC%884x-3%EF%BC%89%26%23178%3B.)
(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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