Solve the Quadratic Equation, Rounding to Thousandths When Necessary $3 x ^ { 2 } + 2 = 50$

Multiple Choice

Solve the quadratic equation, rounding to thousandths when necessary: $3 x ^ { 2 } + 2 = 50$

A) x=4,-4
B) X=2,-2
C) x=16,-16
D) $x = 4 i , - 4 i$