(5a2-7b2+12ab)-(11ab -9a2-12b2) it's exact answer is 14a2+ab+5b2 – InterviewSolution

1.

(5a2-7b2+12ab)-(11ab -9a2-12b2) it's exact answer is 14a2+ab+5b2

Answer»

$yes \: it \: is \: correct \: answer(14 {a}^{2} + ab + + 5 {b}^{2})$

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