Question
Solve:
$ 144 a^2-169 b^2 $
$ 144 a^2-169 b^2 $
✓
Answer
$ 144 a^2-169 b^2 $
$ =(12 a)^2-\left(13 b^2\right) $
$=(12 a-13 b)(12 a+13 b) $
$ =(12 a)^2-\left(13 b^2\right) $
$=(12 a-13 b)(12 a+13 b) $
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