SOLUTION: The surface area of a cube is twice its volume (disregarding units). What is the side length of the cube?

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Question 1060603: The surface area of a cube is twice its volume (disregarding units). What is the side length of the cube?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
x, length of edge

Surface area 6x%5E2;
Volume x%5E3;

6x%5E2=2x%5E3

3x%5E2=x%5E3

3x%5E2-x%5E3=0

%283-x%29x%5E2=0

highlight%28x=3%29