Factor
3a\left(15+2a-10a^{3}\right)
Evaluate
3a\left(15+2a-10a^{3}\right)
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3\left(2a^{2}-10a^{4}+15a\right)
Factor out 3.
a\left(2a-10a^{3}+15\right)
Consider 2a^{2}-10a^{4}+15a. Factor out a.
3a\left(2a-10a^{3}+15\right)
Rewrite the complete factored expression. Polynomial 2a-10a^{3}+15 is not factored since it does not have any rational roots.
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