Question 44834
Let the side be x
the original area would be {{{x^2}}} 
If the side is decreased by 2 --> x-2
The area is decreased by 36 ---> {{{x^2-36}}}
EQUATION:
{{{(x-2)^2=x^2-36}}}
{{{x^2+4-4x=x^2-36}}}
-4x=-40
x=10
Hence, the measurement for the side of the square is 10 cm
Paul.