Simplify 2 square root of 3+-5 square root of 2+10 square root of 3+14 square root of 2+-3 square root of 2

Replace all occurrences of ${\displaystyle +}$${\displaystyle -}$ with a single ${\displaystyle -}$. A plus sign followed by a minus sign has the same mathematical meaning as a single minus sign because ${\displaystyle 1\cdot -1=-1}$

Add ${\displaystyle 2\sqrt{3}}$ and ${\displaystyle 10\sqrt{3}}$.

Add ${\displaystyle -5\sqrt{2}}$ and ${\displaystyle 14\sqrt{2}}$.

Subtract ${\displaystyle 3\sqrt{2}}$ from ${\displaystyle 9\sqrt{2}}$.