Simplify the sum or difference.
3 Start Root 7 End Root minus Start Root 63 End Root
(1 point)
negative 2 start root 7 end root
negative 6 start root 7 end root
negative 4 square root 3
0
3 Start Root 7 End Root minus Start Root 63 End Root
(1 point)
negative 2 start root 7 end root
negative 6 start root 7 end root
negative 4 square root 3
0