Question

$a(a + b) - b(b + a)$
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Answer 1

Step-by-step explanation:

$a(a + b) - b(b + a) =( a + b)(a - b) = {a}^{2} - {b}^{2} \: \: ans...$

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Answer 2

Step-by-step explanation:

a(a+b) - b(b+a)

= a²+ab - b²-ab

= a²-b²

= (a+b)(a-b)

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