hhamilton9311 hhamilton9311

29-01-2024
Mathematics

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By intuition it can be determined that −7 as well as +7 satisfy the condition x2=49 but when I take square root both sides I get the equation √x2=√49 which can only yield +7 due to the underoot.How do I solve algebraically for a −7 and +7 answer.

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