Question

solve this equation 36 a^2-49a^2

Answer 1

-13a^2.........hope it helps u

Answer 2

HEY DEAR,

HERE IS YOUR ANSWER...........

AS WE KNOW..

(6a)^2= 36a^2

(7a)^2 = 49 a^2

and we also know that : (a+b)(a-b) = (a^2 - b^2)

use this identity here also.......

36a^2 - 49a^2  => (6a)^2 - (7a)^2

                          => (6a - 7a )( 6a +7a)

                          => (-a)(13a)

                         => (-13 a^2)........... ANS..

HOPE IT HELPS YOU.....

THANKS...

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