SOLUTION: The area of a rectangle is 54 cm. the length is 2 cm more than a x and the width is 5 cm less than twice x. solve for x. round your answer to the nearness whole number

Algebra ->  Rectangles -> SOLUTION: The area of a rectangle is 54 cm. the length is 2 cm more than a x and the width is 5 cm less than twice x. solve for x. round your answer to the nearness whole number      Log On


   

Question 1025001: The area of a rectangle is 54 cm. the length is 2 cm more than a x and the width is 5 cm less than twice x. solve for x. round your answer to the nearness whole number
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
This is a duplicate problem.


(x + 2)(2x - 5) = 54
2x^2 - x - 10 = 54
2x^2 - x - 64 = 0

Use the quadratic formula: x = -5.4124 or 5.9124.
Distance can't be negative, so x is roughly 6 cm.