一元二次方程的解法 9x²=16(x+1)²9x²=16(x+1)²3(x-2)²=x(2-x)(x-2)²-6(x-2)+10=12x²+5x-4=0(用配方法)0.1x²-0.3x=1
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![一元二次方程的解法 9x²=16(x+1)²9x²=16(x+1)²3(x-2)²=x(2-x)(x-2)²-6(x-2)+10=12x²+5x-4=0(用配方法)0.1x²-0.3x=1](/uploads/image/z/2492271-63-1.jpg?t=%E4%B8%80%E5%85%83%E4%BA%8C%E6%AC%A1%E6%96%B9%E7%A8%8B%E7%9A%84%E8%A7%A3%E6%B3%95+%26%238203%3B9x%26%23178%3B%3D16%28x%2B1%29%26%23178%3B9x%26%23178%3B%3D16%28x%2B1%29%26%23178%3B3%28x-2%29%26%23178%3B%3Dx%282-x%29%28x-2%29%26%23178%3B-6%28x-2%29%2B10%3D12x%26%23178%3B%2B5x-4%3D0%28%E7%94%A8%E9%85%8D%E6%96%B9%E6%B3%95%290.1x%26%23178%3B-0.3x%3D1)
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一元二次方程的解法 9x²=16(x+1)²9x²=16(x+1)²3(x-2)²=x(2-x)(x-2)²-6(x-2)+10=12x²+5x-4=0(用配方法)0.1x²-0.3x=1
一元二次方程的解法 9x²=16(x+1)²
9x²=16(x+1)²
3(x-2)²=x(2-x)
(x-2)²-6(x-2)+10=1
2x²+5x-4=0(用配方法)
0.1x²-0.3x=1
一元二次方程的解法 9x²=16(x+1)²9x²=16(x+1)²3(x-2)²=x(2-x)(x-2)²-6(x-2)+10=12x²+5x-4=0(用配方法)0.1x²-0.3x=1
9x²=16(x+1)²,直接开平方法.这么简单的题,居然不会?不会是懒吧..