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31 July, 07:59

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

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Answers (1)
  1. 31 July, 09:10
    0
    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

    ↘ ↙

    7x*x calculate product

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

    ↘ ↙

    7x*2 calculate product

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

    ↘↙

    7*2 multiply numbers

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

    ↘ ↙

    21x collect like terms

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