SOLUTION: Log7 4x^2 - log7 9 = log7 16

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Question 947346: Log7 4x^2 - log7 9 = log7 16
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Log7 4x^2 - log7 9 = log7 16
solve for x
log%287%2C%284x%5E2%29%29-log%287%2C%289%29%29=log%287%2C%2816%29%29
log%287%2C%28%284x%5E2%29%2F%289%29%29%29=log%287%2C%2816%29%29
4x^2/9=16
4x^2=9*16
x^2=36
x=±√36=±6