2x ²-7x+1=0 (x+3) ²-(x-2) ²=0 2(2x ²-7x+1=0 (x+3) ²-(x-2) ²=0 2(x+2) ²=8 x(x-3)=x
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![2x ²-7x+1=0 (x+3) ²-(x-2) ²=0 2(2x ²-7x+1=0 (x+3) ²-(x-2) ²=0 2(x+2) ²=8 x(x-3)=x](/uploads/image/z/1789588-28-8.jpg?t=2x+%26%23178%3B-7x%2B1%3D0+%28x%2B3%29+%26%23178%3B-%28x-2%29+%26%23178%3B%3D0+2%282x+%26%23178%3B-7x%2B1%3D0+%28x%2B3%29+%26%23178%3B-%28x-2%29+%26%23178%3B%3D0+2%28x%2B2%29+%26%23178%3B%3D8+x%28x-3%29%3Dx)
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2x ²-7x+1=0 (x+3) ²-(x-2) ²=0 2(2x ²-7x+1=0 (x+3) ²-(x-2) ²=0 2(x+2) ²=8 x(x-3)=x
2x ²-7x+1=0 (x+3) ²-(x-2) ²=0 2(
2x ²-7x+1=0 (x+3) ²-(x-2) ²=0 2(x+2) ²=8 x(x-3)=x
2x ²-7x+1=0 (x+3) ²-(x-2) ²=0 2(2x ²-7x+1=0 (x+3) ²-(x-2) ²=0 2(x+2) ²=8 x(x-3)=x
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