Question

factorise
$2a + 6b - 3(a + 3b {)}^{2}$

Answer 1

2(a+3b)-3(a+3b)²

= (a+3b)[2-3(a+3b)]

= (a+3b)(2-3a-9b)

It is the answer

any doubts comment ;))

Answer 2

Solution ●●●●
....................

$= 2(a + 3b) - 3( {a + 3b)}^{2}$

$= (a + 3b) \: [\: 2 - 3(a + 3b)] \\ \\ = (a + 3b)(2 - 3a - 9b)$
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