Simplify
Square root of 50 over 2 times -4 + square root of 121

Answer:
-9
Step-by-step explanation:
[tex]\sqrt{\dfrac{50}{2}}\cdot(-4)+\sqrt{121}=-4\sqrt{25}+11=-4\cdot5+11\\\\=-20+11=\boxed{-9}[/tex]
Your calculator can help with this.