# math117

posted by
**student**
.

The area of a rectangle of length x is given by 3x2 +5x. Find the

width of the rectangle.

The area of a rectangle with width t is given by 33t - t 2. Factor the

expression and determine the length of the rectangle in terms of t

length times width=area, so factor out an x to get the width. reverse it foe the second one