If x² = 196, then we must do the inverse (square root) to find x. However, the square root of any positive number will always be ± (plus or minus).
That means you have to do:
√196 = x
x = ±14.
We can check this by doing:
14 × 14 = 196
-14 × -14 = 196
Therefore the answer is B) -14, 14.
