Factorise : 15pq + 15 + 9q + 25p - Vidyadip

Question

Factorise : $15pq + 15 + 9q + 25p$

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Answer

$15pq + 15 + 9q + 25p$
$= 15pq + 9q + 25p + 15$
$= 3q (5p + 3) + 5(5p + 3)$
$= (5p + 3) (3q + 5)$

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