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Answer:

Step-by-step explanation:Let's solve your equation step-by-step.

x2−16=0

Step 1: Add 16 to both sides.

x2−16+16=0+16

x2=16

Step 2: Take square root.

x=±√16

x=4 or x=−4

Answer:

x=4 or x=−4

Answer: x=4 and x=-4

-Hope I helped.

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