怎样用配方发解?2x²+3=5x ,x²-50x+24²=0,4x²-7x+2=02x²+3=5xx²-50x+24²=04x²-7x+2=0
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![怎样用配方发解?2x²+3=5x ,x²-50x+24²=0,4x²-7x+2=02x²+3=5xx²-50x+24²=04x²-7x+2=0](/uploads/image/z/584645-5-5.jpg?t=%E6%80%8E%E6%A0%B7%E7%94%A8%E9%85%8D%E6%96%B9%E5%8F%91%E8%A7%A3%3F2x%26%23178%3B%2B3%3D5x+%2Cx%26%23178%3B-50x%2B24%26%23178%3B%3D0%2C4x%26%23178%3B-7x%2B2%3D02x%26%23178%3B%2B3%3D5xx%26%23178%3B-50x%2B24%26%23178%3B%3D04x%26%23178%3B-7x%2B2%3D0)
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