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Mathematics, 16.04.2021 21:00 Jasten

Solve y2 = 81, where y is a real number. Simplify your answer as much as possible.
If there is more than one solution, separate them with commas.
If there is no solution, click on "No solution".

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Solve y2 = 81, where y is a real number. Simplify your answer as much as possible.
If there i...
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