Math, asked by shahfaisal561, 1 year ago

Solve q.no 38 see image uploaded solve question 38

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cherry5994: i answered first plz mark

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Answered by cherry5994

$a ^{2} + 4b ^{2} + 4ab - (3a ^{2} - 7ab + 6ab - 14b ^{2} ) \\ a ^{2} + 4b ^{2} + 4ab - 3 {a}^{2} + ab + 14 b ^{2} \\ - 2 {a }^{2} + 5ab + 18 {b}^{2} \\ - 2 {a}^{2} + 9ab - 4ab + 18 {b}^{2} \\ - 2a(a + 2b) + 9b(a + 2b) \\ (a + 2b)(9b - 2a)<br /><br />$
hope this helps u . i answered first plz consider and mark my answer

cherry5994: plz markk

cherry5994: u can message if u have any doubts in the solution

shahfaisal561: I don’t understand what u have wrote ..

cherry5994: we used (a+b)^2 first

cherry5994: then 2nd step we multiplied whole term with '-'

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