The length of a rectangle is represented by the polynomial 2x^3-5x^2+8 and the width is represented by the polynomial x+3 . Find the area of the rectangle.

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asked Mar 27, 2018 166k views

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The length of a rectangle is represented by the polynomial 2x^3-5x^2+8 and the width is represented by the polynomial x+3 . Find the area of the rectangle.

Mathematics
middle-school

Sonny Parlin asked

by Sonny Parlin

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1 Answer

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x^2+8x+15 is the area

because x+5 = length
and x +3 = width

(x+5)(x+3) =
x^2+3x+5x+15 =
x^2+8x+15 (area)

JCBiggar answered Mar 31, 2018

by JCBiggar

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