Factor
4b\left(a^{3}-11a^{2}+28\right)
Evaluate
4b\left(a^{3}-11a^{2}+28\right)
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4\left(a^{3}b-11a^{2}b+28b\right)
Factor out 4.
b\left(a^{3}-11a^{2}+28\right)
Consider a^{3}b-11a^{2}b+28b. Factor out b.
4b\left(a^{3}-11a^{2}+28\right)
Rewrite the complete factored expression. Polynomial a^{3}-11a^{2}+28 is not factored since it does not have any rational roots.
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