Posted by **Anonymous** on Monday, March 24, 2014 at 6:06pm.

Factor.

1. 30y^3 - 50y

A: 10y(3y - 5y)

2. Factor a^2 - 5a^2 + 2a -10 by grouping.

A: ?

- Algebra 1 Answer Evaluation -
**Reiny**, Monday, March 24, 2014 at 6:09pm
check by expanding your answer, you will see that the first one is wrong

you probably meant

a^3 - 5a^2 + 2a -10 , says by grouping, so do that ...

= a^2(a-5) + 2(a-5)

= (a-5)(a^2 + 2)

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