square root of 98 + cube root of 32 - sixth root of 50.
Are you sure of the wording of the problem?
It doesn't simplify very much and it's a really stupid problem.
I suspect that it's suppose to be: .
You're expected to know how to simplify radicals: .
The first term is: .
The second term is: .
The third term is: .
Then the problem becomes: .