Solve math word problem

Question

A rectangular carport has an area of 150 square feet. The height of the carport is five feet less than twice its length.Find the height and the length of the carport.

Answer 1

h = -5 +2L

hL = 150

(2L-5)L = 150

2L^2 -5L -150 = 0

(2L +15)(L-10) = 0

L = 10 feet Long, h= 15 feet high