SOLUTION: log8(x^2-30)=log8(x)
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Question 601569
:
log8(x^2-30)=log8(x)
Answer by
nerdybill(7384)
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log8(x^2-30)=log8(x)
x^2-30 = x
x^2-x-30 = 0
(x+5)(x-6) = 0
x = {-5, 6}
we can throw out the negative solution (extraneous) leaving:
x = 6