Question

Plz answer for 20 pts

Answer 1

`6) \: \: √(3) + 4 √(3) \: = \: 5√(3)`

`7) \: \: 3√(5)+ 6√(45) = 3√(5)+6√(9) \! \cdot \! √(5)`

`= 3√(5) + 6\! \cdot \! 3 \! \cdot \! √(5)=3 √(5) + 18 √(5) = 21√(5)`

Answer 2

Answer to Problem 1: 5√3

Answer to Problem 2: 21√5