simplify each radical expression: 1. sqrt 75 + sqrt3 2. sqrt 7 (sqrt14 + sqrt 3) please walk me through this.

Answer 1

1. sqrt75 + sqrt3
sqrt(25*3) + sqrt3
5*sqrt3 + sqrt3. = 6*sqrt3.

2. sqrt7(sqrt14+sqrt3)
sqrt7(sqrt(7*2)+sqrt3)
sqrt7(sqrt7*sqrt2+sqrt3)
7*sqrt2 + sqrt7*sqrt3
7*sqrt2 + sqrt21.