Answer:
correct me if im wrong
Step-by-step explanation:
[tex]x^{2} - 81 =0\\x^{2} =81\\x = \sqrt{81}\\x \frac{+}{-} 9[/tex]
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Answers & Comments
Answer:
correct me if im wrong
Step-by-step explanation:
[tex]x^{2} - 81 =0\\x^{2} =81\\x = \sqrt{81}\\x \frac{+}{-} 9[/tex]