3sqrt(45)-sqrt(125)+sqrt(200)-sqrt(50)

8sqrt(5)+sqrt(20)-sqrt(125)

Simplify (i) 3 sqrt ( 45) - sqrt (125) + sqrt (200) - sqrt(50) (ii) ( 2 sqrt ( 30 ))/( sqrt ( 6)) - ( 3 sqrt(140))/(sqrt ( 28)) + (sqrt(55))/(sqrt(99)) (iii) sqrt (72) + sqrt(800) - sqrt ( 18 )

sqrt(45)-3sqrt(20)+4sqrt(5)

sqrt5 sqrt(-125)=