Question 610945
Let's write this word problem mathematically and remove excess. First of all, we know that {{{l*w=a}}}. 
The length of a rectangular pool is 4 ft longer than width (w+4). The area (*, not adding) measures 60 square feet. 

<p>To write this mathematically, it'd turn into: {{{(w+4)*(w)=60}}}. We can simplify that: {{{simplify_cartoon( (w+4)*(w) )}}}.

<p>We'd then move the 60 to the other side to get: {{{w^2+4w-60=0}}}
Use the quadratic formula to get your solutions: *[invoke solve_quadratic_equation 1, 4, -60]
Because there can't be a negative in getting a positive area, we'd assume x is 6. 

<p>Let's go back into the normal equation to check the length and the width: {{{(6+4)*(6)=60}}}. It's correct, so we know that length is 10 and width is 6. :)