Question

multiply the following Algebraic​ expressions a)(a-5)&(a+4)

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Answer 1

Hope it will help you

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Answer 2

The correct answer is "a²-a-20".

Step-by-step explanation:

$The \ given \ expressions \ are:\\\\(a-5) \ and \ (a+4)\\\\On \ applying \ multiplication,we \ get\\\\=a(a+4)-5(a+4)\\\\=a^2+4a-5a-20\\\\=a^2-a-20$

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