题目内容
分解因式-25a2+50a的结果是( )
| A.-25a(a-2) | B.25a(a-2) | C.5a2(a-2) | D.-5a2(a-2) |
-25a2+50a=-25a(a-2).
故选A.
故选A.
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题目内容
| A.-25a(a-2) | B.25a(a-2) | C.5a2(a-2) | D.-5a2(a-2) |