SOLUTION: this was given as a question in an assignment and i dont understand it.{{{-2-sqrt12}}} please help me thank you

Question 125455: this was given as a question in an assignment and i dont understand it.
please help me
thank you
Found 2 solutions by MathLover1, jim_thompson5910:
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Do you want to simplify this?

Start with the given expression

Simplify to get . Note: If you need help with simplifying square roots, check out this solver.

Factor out the gcf -2
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