SOLUTION: A cube has a surface area of 6x^2+120x+600. Find the length of a side. I know that I have to find the greatest common factor. The length of the side is?

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: A cube has a surface area of 6x^2+120x+600. Find the length of a side. I know that I have to find the greatest common factor. The length of the side is?      Log On


   



Question 615934: A cube has a surface area of 6x^2+120x+600.
Find the length of a side. I know that I have to find the greatest common factor. The length of the side is?

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
You left out x of 120x
A cube has six equal sides
divide by 6 to fund the area of one side
x^2+20x+100
The area of one side is that side squared
Find the square root
(x+10)*(x+10)
x+10 is one side