Question

The rectangular floor of a
shed has a length 4 feet longer than its width, and its
area is 140 square feet. Let x be the width of the floor.
(a) Write a quadratic equation whose solution gives
the width of the floor.
(b) Solve this equation.

Answer 1

x(x+4) = 140

Hmm. 10*14 = 140, so x=10 would be a solution.