Posted by **anonymous** on Monday, May 27, 2013 at 11:23am.

5x^2-15

if you factor it it equals 5(x^2-3) right?

- factroing monomials -
**Reiny**, Monday, May 27, 2013 at 12:33pm
correct

- factroing monomials -
**anonymous**, Monday, May 27, 2013 at 12:55pm
what about 8a+10b-16= 2(4a+5b-8)

3c^4-6c^2-15c= 3(c^4-2c^2-3)

- factroing monomials -
**Reiny**, Monday, May 27, 2013 at 1:24pm
first one is correct, the second should be

3c^4-6c^2-15c= 3(c^4-2c^2-5)

You could easily check if you are correct by simply expanding your answer.

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