Factor
\frac{\left(7m-54\right)\left(7m+54\right)}{81}
Evaluate
\frac{49m^{2}}{81}-36
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\frac{49m^{2}-2916}{81}
Factor out \frac{1}{81}.
\left(7m-54\right)\left(7m+54\right)
Consider 49m^{2}-2916. Rewrite 49m^{2}-2916 as \left(7m\right)^{2}-54^{2}. The difference of squares can be factored using the rule: a^{2}-b^{2}=\left(a-b\right)\left(a+b\right).
\frac{\left(7m-54\right)\left(7m+54\right)}{81}
Rewrite the complete factored expression.
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