`sqrt(125) -4 sqrt6+ sqrt(294) - 2 sqrt(1/6)`

Simplify: sqrt(216)-5sqrt(6)+sqrt(294)-3/sqrt(6)

(4(sqrt(6) + sqrt(2)))/(sqrt(6) - sqrt(2)) - (2 + sqrt(3))/(2 - sqrt(3)) =

Simplify: sqrt(216)-5sqrt(6)+sqrt(294)-3/(sqrt(6))

Simplify: sqrt(216)-5 sqrt(6)+sqrt(294)-3/(sqrt(56))

What is the value of (1/(sqrt(9) - sqrt(8)) - 1/(sqrt(8) - sqrt(7)) + 1/(sqrt(7) - sqrt(6)) - 1/(sqrt(6) - sqrt(5)) + 1/(sqrt(5) - sqrt(4))) ?

Simplify: (3 sqrt2)/(sqrt3 + sqrt6) - (4 sqrt3)/(sqrt6 + sqrt2) + (sqrt6)/(sqrt2 + sqrt3)

If (sqrt(5 + 2sqrt6)- sqrt(5 - 2 sqrt6))/(sqrt(5 + 2 sqrt6)+ sqrt(5 - 2 sqrt6)) = sqrt((x)/(16)) , then x = _____

(2 + sqrt6 )(4 + sqrt6)