Question

$4(a + b) - 6(a + b) ^{2}$
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Answer 1

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$4(a + b) - 6 {(a + b)}^{2} \\ \\ 4a + 4b - 6( {a}^{2} + {b}^{2} + 2ab) \\ \\ 4a + 4b - 6 {a}^{2} - 6 {b}^{2} - 12ab$