8 sqrt(2)/2 sqrt(8)

[math_celebrity]

8 sqrt(2)/2 sqrt(8)

Cancel 8/2
4 sqrt(2)/sqrt(8)

Simplify sqrt(8)
sqrt(8) = sqrt(4 * 2)
sqrt(8) = 2 sqrt(2)

Now, we have this:
4 sqrt(2)/2 sqrt(2)

Cancel sqrt(2)
4/2
2