Simplify `sqrt7-3/5sqrt7+2sqrt7`

sqrt7 - 3/5 sqrt7 + 2sqrt7

Simplify (sqrt(7)+sqrt(2))(sqrt(7)-sqrt(2))

Simplify (3+sqrt5)/(sqrt7-sqrt3)

Simplify (sqrt(7)-sqrt(5))/(sqrt(7)+sqrt(5))+sqrt(35)

Simplify (7sqrt3)/(sqrt10+sqrt3)-(2sqrt5)/(sqrt6+sqrt5)-(3sqrt2)/(sqrt15+3sqrt2)

30. Simplify 7sqrt(6)-sqrt(252)-sqrt(294)+6sqrt(7)

Simplify (2/7-5/sqrt7)/(sqrt7-1/sqrt7)

Rationales the denominator and simplify: (sqrt(3)-sqrt(2))/(sqrt(3)+sqrt(2))( ii) (5+2sqrt(3))/(7+4sqrt(3))

Simplify (sqrt(7)+sqrt(3))(3-sqrt(3))