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21 July, 09:00

The area of a rectangle is (x3 - 5x2 + 3x - 15), and the width of the rectangle is (x2 + 3). If area = length times width, what is the length of the rectangle?

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  1. 21 July, 09:06
    0
    The answer to your question is: x⁵ - 5x⁴ + 6x³ - 15x² + 9x - 45

    Step-by-step explanation:

    Area = lenght times width

    (x³ - 5x² + 3x - 15) x (x² + 3) =

    = x⁵ - 5x⁴ + 3x³ - 15x² + 3x³ - 15x² + 9x - 45 Simplify like terms

    = x⁵ - 5x⁴ + 6x³ - 15x² + 9x - 45
  2. 21 July, 09:09
    0
    D. x - 5
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