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25 July, 20:05

What is the length and width of the rectangle if the area is given by trinomial r squared - 2r - 15. Use factoring

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Answers (2)
  1. 25 July, 21:25
    0
    (r+3) (r-5)

    Step-by-step explanation:

    r^2-2r-15

    (r+3) (r-5)

    +3-5=-2

    +3*-5=-15
  2. 25 July, 22:44
    0
    The length is r + 3 and the width r - 5 ...

    Step-by-step explanation:

    r^2 - 2r - 15

    = (r - 5) (r + 3)

    The length is r + 3 and the width r - 5
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