SOLUTION: the width of a rectangle is 9 cm less than the length. the area is 70 square cm. find the length and width of the rectangle.

Algebra ->  Rectangles -> SOLUTION: the width of a rectangle is 9 cm less than the length. the area is 70 square cm. find the length and width of the rectangle.      Log On


   

Question 1078784: the width of a rectangle is 9 cm less than the length. the area is 70 square cm. find the length and width of the rectangle.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
x, the length

x%28x-9%29=70
x%5E2-9x-70=0
%28x-14%29%28x%2B5%29=0
highlight%28x=14%29

Length, 14 cm
Width, 5 cm