math :P

grrrgrgrgr i hate mathhhh ;( i just finished my math hw but lowk i do not get it like. at all... (okay i get it a bit but ugh)

like sm please help how do i simplify square roots with variables??? do i do all the normal things you do for simplifying normal square roots??? if so what do you do with the variable?????? ughhhhh i NEED this year to be over already (two more weeks, TWO MORE WEEKS!!!)