Can someone please help me I will be forever grateful

Simplify 4 square root of 2 end root plus 7 square root of 2 end root minus 3 square root of 2 . (1 point) 2 square root of 8 8 square root of 2 8 square root of 6 6 square root of 8

Which one ? is the answer and how to find this answer

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2