【题目】分解因式:2x2﹣2y2=


参考答案:

【答案】2(x+y)(x﹣y)
【解析】解:2x2﹣2y2=2(x2﹣y2)=2(x+y)(x﹣y).

所以答案是:2(x+y)(x﹣y).

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