Factor
b\left(b+7\right)^{2}
Evaluate
b\left(b+7\right)^{2}
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b\left(b^{2}+14b+49\right)
Factor out b.
\left(b+7\right)^{2}
Consider b^{2}+14b+49. Use the perfect square formula, p^{2}+2pq+q^{2}=\left(p+q\right)^{2}, where p=b and q=7.
b\left(b+7\right)^{2}
Rewrite the complete factored expression.
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