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21 May, 04:32

Multiply.

(3b-5) (7b+1)

Simplify your answer.

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Answers (1)
  1. 21 May, 05:30
    0
    It would be 21b² - 32b - 5

    Step-by-step explanation:

    By using the FOIL method, you can simplify the equation.

    The Foil Method is ac + ad + bc + bd, or First, Outer, Inner, Last.

    First, you multiply the first term in each bracket.

    3b * 7b = 21b²

    Next, you multiply the outer term in each bracket.

    3b * 1 = 3b

    Then, you multiply the inner term in each bracket.

    -5 * 7b = - 35b

    After that, you multiply the last term in each bracket.

    -5 * 1 = - 5

    Lastly, you combine like terms.

    21b² + 3b - 35b - 5 - --> 21b² - 32b - 5

    21b² - 32b - 5 would be your answer, since you cannot simplify the equation anymore.
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