6x to the power of 2 over 2x to the power of 2?

If you mean (6x^2)/(2x^2), this problem is easy.

(6x^2)/(2x^2) = (6/2) x (XX/XX) (XX is an easy way of writing X^2)

6/2 = 3

XX/XX = 1

3 x 1 = 3

so your answer is 3.