Question

$hey \: mate. \: please \: do \: answer \: this \: question \: quickly..$
$factorise >$

$49a {}^{2} + 84ab + 36b {}^{2}$

Answer 1

49a^2 + 84ab + 36b^2

use identity :-

a^2 + 2ab + b^2= ( a + b ) ^2

=( 7a )^2 + 2(7a ) ( 6b ) +( 6b )^2

= ( 7a + 6b )^2

= (7a +6b ) (7a + 6b )

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"hope helps "
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Answer 2

49a^2 + 84ab + 36b^2

use identity :-

a^2 + 2ab + b^2= ( a + b ) ^2

=( 7a )^2 + 2(7a ) ( 6b ) +( 6b )^2

= ( 7a + 6b )^2

= (7a +6b ) (7a + 6b )