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Let’s check out your problem:
Solve for the exact value of
x
x
x
.
\newline
log
6
(
9
x
)
−
log
6
(
4
)
=
2
\log_{6}(9x)-\log_{6}(4)=2
lo
g
6
(
9
x
)
−
lo
g
6
(
4
)
=
2
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Math Problems
Calculus
Find derivatives of logarithmic functions
Full solution
Q.
Solve for the exact value of
x
x
x
.
\newline
log
6
(
9
x
)
−
log
6
(
4
)
=
2
\log_{6}(9x)-\log_{6}(4)=2
lo
g
6
(
9
x
)
−
lo
g
6
(
4
)
=
2
Use Quotient Rule:
Step
1
1
1
: Use the quotient rule for logarithms to combine the logs.
\newline
log
6
(
9
x
4
)
=
2
\log_6\left(\frac{9x}{4}\right) = 2
lo
g
6
(
4
9
x
)
=
2
Convert to Exponential Form:
Step
2
2
2
: Convert the logarithmic equation to its exponential form.
\newline
6
2
=
9
x
4
6^2 = \frac{9x}{4}
6
2
=
4
9
x
Solve for x:
Step
3
3
3
: Solve for x.
\newline
36
=
9
x
4
36 = \frac{9x}{4}
36
=
4
9
x
\newline
144
=
9
x
144 = 9x
144
=
9
x
\newline
x
=
144
9
x = \frac{144}{9}
x
=
9
144
\newline
x
=
16
x = 16
x
=
16
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