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OpenStudy (anonymous):
log3(X-5)+log3(x+3)=2
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OpenStudy (anonymous):
well according to log rules, when u have a + of logs with the same base you can multiply the terms so log3[(x-5)(x+3)]=2 and then convert it to e so (x-5)(x+3)=3^2 solve for x :)
OpenStudy (anonymous):
so LN base e both sides?
OpenStudy (anonymous):
Nevermind, I figured it out...thanks!!!
OpenStudy (anonymous):
the answer is 6 :)
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