Answer:
x
=
+
3
,
x
=
−
3
Explanation:
In
x
2
=
9
, you need to get rid of the power of 2 in order to isolate just
x
This involves finding the square root.
√
x
2
=
x
However there are 2 possible answers to a square root, a positive or a negative answer.
x
=
±
√
9
x
=
±
3
Step-by-step explanation:
