Question

What is the expression in simplest radical form and is it rational or irrational

Answer 1

339.411255y^2 is what it simplifies to.

Answer 2

3 sqrt (32y) can simplify to 3 sqrt (4*4*2*y) = 3*4 sqrt(2y)
4 sqrt (25y) can simplify to 4 sqrt (5*5*y) = 4*5 sqrt (y)
Putting it back together, 240y sqrt 2