Evaluate
144
Factor
2^{4}\times 3^{2}
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3^{2}\left(\sqrt{15}\right)^{2}+3^{2}
Expand \left(3\sqrt{15}\right)^{2}.
9\left(\sqrt{15}\right)^{2}+3^{2}
Calculate 3 to the power of 2 and get 9.
9\times 15+3^{2}
The square of \sqrt{15} is 15.
135+3^{2}
Multiply 9 and 15 to get 135.
135+9
Calculate 3 to the power of 2 and get 9.
144
Add 135 and 9 to get 144.
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