下列多项式中，可以用平方差公式分解因式的是_刷题宝

题干

下列多项式中，可以用平方差公式分解因式的是（）

A： $a^{2} + 4$

B： $a^{2} - 2$

C： $- a^{2} + 4$

D： $- a^{2} - 4$

上一题下一题 0.0难度选择题更新时间:2019-07-18 10:44:16

答案(点此获取答案解析）

C

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