Question

3 square root of 5 end root minus 2 square root of 2 end root plus square root of 45 end root minus square root of 28

Answer 1

5 square root of 11 end root minus 12 square root of 11 end root minus 2 square root of 11

OR

5√11 - 12√11 - 2√11

Combine like radicals to get -9√11

2. cubed root of 24 plus cubed root of 81 minus cubed root of 54

∛24 + ∛81 - ∛54
= 2∛(3) + 3∛(3) - 3∛(2)
= 5∛(3) - 3∛(2)

Good luck!