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27 July, 14:23

What is the product of the polynomials below?

(7x+7) (x+2)

A. 7x + 21x+14

B. 7² + 21x+28

C. 72 + 9x+7

D. 7x + 9x + 14

.

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Answers (1)
  1. 27 July, 17:01
    0
    7x^2+21x+14

    Step-by-step explanation:

    With this all we have to do is foil:

    first outside inside last

    first: 7x^2

    outside: 14x

    inside: 7x

    last: 14

    we now combine them to

    7x^2+14x+7x+14

    we add like terms

    7x^2+21x+14
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