急求一道初三的二次函数题啊在平面直角坐标系内,点o为坐标原点,二次函数y=x的平方+(k-5)x-(k+4)的图象交x轴于点A(x1,0),B(x2,0),且(x1+1)(x2+1)= - 8(1)求二次函数的解析式;(2)若上述二
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