Evaluate
a\left(3a^{2}+4a+5\right)
Factor
a\left(3a^{2}+4a+5\right)
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3a^{3}+3a^{2}+7a+a^{2}-2a
Combine 2a^{3} and a^{3} to get 3a^{3}.
3a^{3}+4a^{2}+7a-2a
Combine 3a^{2} and a^{2} to get 4a^{2}.
3a^{3}+4a^{2}+5a
Combine 7a and -2a to get 5a.
a\left(3a^{2}+4a+5\right)
Factor out a. Polynomial 3a^{2}+4a+5 is not factored since it does not have any rational roots.
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