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23 February, 01:06

A rectangular television screen has an area of w^2 + 2w square inches if the width of the television screen is w inches, what is the length of the television?

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  1. 23 February, 01:08
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    The area of a rectangle is:

    A = length * width

    A rectangular television screen has an area:

    A = w² + 2w inches²

    width = w

    length = A / width = (w² + 2w) / w = w (w + 2) / w = w + 2

    Ansver:

    length = w + 2
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