解方程(1)4x²=9(2)2(x+1)²-4=0(3)x²-4x+1=0(4)2x²+2x=1(5)x²-x-6=0
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![解方程(1)4x²=9(2)2(x+1)²-4=0(3)x²-4x+1=0(4)2x²+2x=1(5)x²-x-6=0](/uploads/image/z/996896-56-6.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B%EF%BC%881%EF%BC%894x%26%23178%3B%3D9%EF%BC%882%EF%BC%892%EF%BC%88x%2B1%EF%BC%89%26%23178%3B-4%3D0%EF%BC%883%EF%BC%89x%26%23178%3B-4x%2B1%3D0%EF%BC%884%EF%BC%892x%26%23178%3B%2B2x%3D1%EF%BC%885%EF%BC%89x%26%23178%3B-x-6%3D0)
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