Factor
\left(b+4f\right)\left(b+7f\right)
Evaluate
\left(b+4f\right)\left(b+7f\right)
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b^{2}+11fb+28f^{2}
Consider b^{2}+11bf+28f^{2} as a polynomial over variable b.
\left(b+7f\right)\left(b+4f\right)
Find one factor of the form b^{k}+m, where b^{k} divides the monomial with the highest power b^{2} and m divides the constant factor 28f^{2}. One such factor is b+7f. Factor the polynomial by dividing it by this factor.
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