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Solve the quadratic equation by the appropriate method. x^2-81=0
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1 vote
Solve the quadratic equation by the appropriate method.

x^2-81=0

User Qschulz
by
4.7k points

1 Answer

4 votes

Answer:

x*x-81=0

x*x=81

x=√81

x=9

User Sercan
by
5.0k points
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