Question

2(a + b)2 – 9(a + b) – 5
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Answer 1

Answer:

2a+2b-9a-9b-5

-7a-7b-5

till this we can solve

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Answer 2

Answer:

$2(a + b)^{2} - 9(a + b) - 5 \\ 2( {a}^{2} + {b}^{2} + 2ab) - 9a - 9b - 5 \\ 2 {a}^{2} + 2 {b}^{2} + 4ab - 9a - 9b - 5$

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