Factor
\left(b^{4}+8\right)^{2}
Evaluate
\left(b^{4}+8\right)^{2}
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\left(b^{4}+8\right)^{2}
Use the perfect square formula, p^{2}+2pq+q^{2}=\left(p+q\right)^{2}, where p=b^{4} and q=8. Polynomial b^{4}+8 is not factored since it does not have any rational roots.
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