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OpenStudy (anonymous):
Solve the following quadratic equation using any appropriate method.
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OpenStudy (anonymous):
\[(z-11)^2=9\]
OpenStudy (mertsj):
Take the square root of both sides.
OpenStudy (anonymous):
z^2-22z+121=9
OpenStudy (anonymous):
z^2-22z+112
OpenStudy (anonymous):
x=8 or x=14
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OpenStudy (anonymous):
fine?
OpenStudy (anonymous):
yes
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