SOLUTION: Eric wants to know the dimensions of a rectangular lot. The lot has an area of 80 cm^2. Its length is 2 more than its width. What are the measurements of the sides of the lot?

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Question 1187407: Eric wants to know the dimensions of a rectangular lot. The lot has an area of 80 cm^2. Its length is 2 more than its width. What are the measurements of the sides of the lot?
Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!
.

The area equation is

    x*(x+2) = 80.


Its solution is

    x^2 + 2x - 80 = 0

    (x+10)*(x-8) = 0


The roots are  x= -10  and  x= 8.


The ANSWER is:  the dimensions of the rectangular lot are 8 cm width and 8+2 = 10 cm length.

Solved.