a³+4a²-5a
=a(a²+4a-5)
=a(a+5)(a-1)
猜你喜欢
- 1写出括号里的字的古义和今义
- 2已知函数fx=loga(x^2-ax+5)(a>0且a 不等于1)
- 3甲乙两车分别从ab两城相对开出,甲车每小时行60千米,乙车每小时行58千米,两车相遇,甲车多行8千米,ab两城相距多少千米?
- 4we always keep () spare paper,in case we run out
- 5They‘re r__ at home for vacation.
- 6They study very hard .改为感叹句!____ ____ they ____
- 7查字典 用英语怎么说
- 8------When shall we meet again ------Make it ______ day you like.It's all the same to me.
- 9那如果右边是负数,左边是正数,这样的不等式,其符号变不变呢?
- 10一种饮料瓶呈圆柱形,瓶中装有20cm高的饮料,倒放时空余部分高5cm,如果瓶中现有饮料1.6升,瓶子的容积是