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1. Solve x2 - 81 = 0.
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3 votes
1. Solve x2 - 81 = 0.

User Eolsson
by
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1 Answer

0 votes

Answer:

x = -9, 9.

Explanation:

x^2 - 81 = 0

x^2 = 81

x = -9, 9.

User Skoota
by
5.7k points
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