Simplify 3 √(10) + 7 √(15) - 6 √(10) - 4 √(15)Help please

Question

Simplify
`3 √(10) + 7 √(15) - 6 √(10) - 4 √(15)`Help please

Answer 1

Let's simplify the expression:

`3\sqrt[]{10}+7\sqrt[]{15}-6\sqrt[]{10}-4\sqrt[]{15}=-3\sqrt[]{10}+3\sqrt[]{15}`

Therefore the solution is the second option.