Homework Help: mat117/algebra

Posted by Diana on Sunday, June 24, 2007 at 9:06pm.

The area of a rectangle of length x is given by 3x^2 + 5x. Find the width of the rectangle. Show me the formula and how to use it please.

area= length times width
3x^2 + 5x = x * width

divide both sides by x, then you have width.

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