Daley, this is the solution:
We have: x² = 196
√x² = √196
x = +/- 14
Thus,
• 14 * 14 = 196
• -14 * -14 = 196
• 14² = 196
• -14² = 196
Any of these options could be taken to explain why +/- 14 is an acceptable value for x.
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