The length of a rectangle is 2 feet less than 4 times the width. The area is 256ft2. Find the dimensions of the rectangle.

Step-by-step explanation:

Let L = Length and W = Width.

So:

Required

Find L and W

Area is calculated as:

Substitute 4W - 2 for L and 256 for Area

Open Bracket

Divide through by 2

Equate to 0

An equation has the roots

Where

So:

or

or

 or

But the dimension can not be negative.

So:

Recall:

32

step-by-step explanation:

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