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31-01-2019
Mathematics

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The area of the rectangle shown is 2x^2-x-15 square units. What is the width of the rectangle?

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31-01-2019

Answer:

The width is (2x + 5) or (x - 3)

Step-by-step explanation:

The formula of an area of a rectangle:

[tex]A=lw[/tex]

l - length

w - width

We have

[tex]A=2x^2-x-15[/tex]

[tex]2x^2-x-15=2x^2+5x-6x-15=x(2x+5)-3(2x+5)\\\\=(2x+5)(x-3)[/tex]

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