What are the solutions of the quadratic equation open paren x plus 3 close paren squared is equal to 49 ?
A
x is equal to negative 2 and x is equal to negative 16B
x is equal to 2 and x is equal to square root of negative 10C
x is equal to 4 and x is equal to negative 10D
x is equal to 40 and x is equal to negative 58