Factor
\frac{\left(9x+4y\right)^{2}}{36}
Evaluate
\frac{\left(9x+4y\right)^{2}}{36}
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\frac{81x^{2}+72xy+16y^{2}}{36}
Factor out \frac{1}{36}.
\left(9x+4y\right)^{2}
Consider 81x^{2}+72xy+16y^{2}. Use the perfect square formula, a^{2}+2ab+b^{2}=\left(a+b\right)^{2}, where a=9x and b=4y.
\frac{\left(9x+4y\right)^{2}}{36}
Rewrite the complete factored expression.
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