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
.

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

x

step-by-step explanation:

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step-by-step explanation: