SOLUTION: Solve for x: log 4 + 2 log x= log 100

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Question 636523: Solve for x: log 4 + 2 log x= log 100
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Solve for x:
log 4 + 2 log x= log 100
log 4 + 2 log x=2
log[4*x^2]=2
10^2=4x^2=100
x^2=25
x=±√25
x=-5 (reject, x>0)
or
x=5
Check: (with calculator)
log 4 + 2 log 5=log 100
2=2