Use the Square Root Property to Solve the Equation $( 5 x + 5 ) ^ { 2 } = 100$

Multiple Choice

Use the square root property to solve the equation.
- $( 5 x + 5 ) ^ { 2 } = 100$

A) 1,3
B) 0,1
C) $21 , - 21$
D) $1 , - 3$