解方程:2(x-1)²-(x+3)²=(x-2)(x+6)-12x
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![解方程:2(x-1)²-(x+3)²=(x-2)(x+6)-12x](/uploads/image/z/1101490-34-0.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B%3A2%28x-1%29%26%23178%3B-%28x%2B3%29%26%23178%3B%3D%28x-2%29%28x%2B6%29-12x)
解方程:2(x-1)²-(x+3)²=(x-2)(x+6)-12x
解方程:2(x-1)²-(x+3)²=(x-2)(x+6)-12x
解方程:2(x-1)²-(x+3)²=(x-2)(x+6)-12x
答案:x=5/2
2(x-1)²-(x+3)²=(x-2)(x+6)-12x
2(x²-2x+1)-(x²+6x+9)=x²+4x-12-12x
2x²-4x+2- x²-6x-9 -x²-4x+12+12x=0
-2x+5=0
x=5/2