SOLUTION: sample final question...trying to study correctly for final : solve each equation: log (7x+8) = 2 log x THANK U THANK U THANK U

SOLUTION: sample final question...trying to study correctly for final : solve each equation: log (7x+8) = 2 log x THANK U THANK U THANK U

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Question 139969: sample final question...trying to study correctly for final :
solve each equation:
log (7x+8) = 2 log x
THANK U THANK U THANK U
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Solve for x:
Apply the power rule to the right side.
Now, if then , so...
Subtract 7x+8 from both sides.
Factor the trinomial.
Apply the zero product rule:
or , so...
or
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