Factorise the expressions: 10ab + 4a + 5b + 2 - Vidyadip

Question

Factorise the expressions: $10ab + 4a + 5b + 2$

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Answer

$10ab + 4a + 5b + 2$
$= 2a (5b + 2) + 1 (5b + 2)$
$= (5b + 2) (2a + 1)$

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