Factorise: 3(a-2 b)^2-5(a-2 b) - Vidyadip

Question

Factorise: $3(a-2 b)^2-5(a-2 b)$

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Answer

$3(a-2 b)^2-5(a-2 b)$
$ = (a - 2b)\{3(a - 2b) - 5\}$
$= (a - 2b)(3a - 6b - 5)$

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