Please ignore my work and show step by step for number 9 please and thank you

asked Dec 27, 2020 106k views

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$( x + 3)( x - 7) + (x + 8)(x + 3) = (x + 3)(x - 7 + x + 8) \\ = (x + 3)(2x + 1)$

(3) is the answer?

BubbaT answered Dec 31, 2020

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