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13 October, 08:28

What is the product of (4x + 3) (-2x - 5) ?

A) - 8x^2 - 26x - 15

B) - 8x^2 + 26x - 15

C) - 8x^2 - 26x + 15

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Answers (1)
  1. 13 October, 09:04
    0
    A) - 8x^2 - 26x - 15

    Step-by-step explanation:

    (4x + 3) (-2x - 5)

    FOIL

    first: 4x*-2x = - 8x^2

    outer : - 5*4x = - 20x

    inner: - 2x*3 = - 6x

    last: - 5*3 = - 15

    Add these together

    -8x^2 - 20x-6x - 15

    -8x^2 - 26x-15
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