What is the product of the polynomial (7x+7) (x+2)

Answer: 7x^2+21x+14

Step-by-step explanation:

(7x+7) (x+2)

Multiply each term in the first parentheses by each term in the second parentheses (FOIL)

7x*x+7x*2+7x+7*2

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7x*x calculate product

7x^2+7x*2+7x+7*2

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7x*2 calculate product

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

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7*2 multiply numbers

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

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21x collect like terms

7x^2+21x+14 is your end result.