Question 364113
u(square root of (75uy^2)) + 8y (suare root of (48 u^3)) 

= u (75uy^2)^1/2 + 8y (48u^3)^1/2

= u (5*5*3*u*y*y)^1/2 + 8y (4*4*3*u*u*u)^1/2

= u*5*y(3u)^1/2       + 8y*4*u(3u)^1/2

= 5uy (3u)^1/2 + 32uy (3u)^1/2

= 37uy(3u)^1/2