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忽视隐含条件是初中生解题失误的一个重要原因,请看下例.例已知α、β是方程 x~2+5x+2=0的两根.
Neglecting the implied condition is an important reason for junior high school students to solve the problem. Please see the following example. It is known that α and β are the two equations x~2+5x+2=0.