Solve: 12 m^2-27 - Vidyadip

Question

Solve:
$12 m^2-27$

✓

Answer

$12 m^2-27$
$=3\left(4 m^2-9\right)$
$=3\left[(2 m)^2-3^2\right]$
$=3(2 m-3)(2 m+3)$

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