I need help, because I don't know how to do this. I will medal!!
Linda is planning to build a rectangular deck that is 12 feet longer than it is wide. Find its width if its area is 589 square feet. Write an equation that models this problem?

Question

I need help, because I don't know how to do this. I will medal!! 
Linda is planning to build a rectangular deck that is 12 feet longer than it is wide. Find its width if its area is 589 square feet. Write an equation that models this problem?

anonymous · Answer

length=l
width=w
l=w+12
l*w=area
(w+12)*w=589
=> w^2 +12w=589
=>w^2 +12w - 589=0

anonymous · Answer

$$w^{2} + 12w -589=0$$

anonymous · Answer

@annwesha Can you help me with a few more, if you are up to it? Thanks

anonymous · Answer

Yes, sure.. Anytime...