Question

(5a2-7b2+12ab)-(11ab -9a2-12b2) it's exact answer is 14a2+ab+5b2
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Answer 1

Answer:

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

Answer 2

Answer:

yes it is correct answer