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

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

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