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25 September, 20:17

If the width of a rectangle is x + 1 x and its length is 3x x2 - 1, then its area is

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Answers (2)
  1. 25 September, 21:15
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    I'm not sure of the answer ...
  2. 26 September, 00:14
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    Area = 3x^5+3x^4-3x^3-3x^2

    Step-by-step explanation:

    Area equals length times width

    x (x+1) * 3x (x^2-1)

    (x^2+x) * (3x^3-3x)

    3x^2 (x+1) (x^2-1)

    3x^5+3x^4-3x^3-3x^2
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