9ln(x+9)-2lnx=

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Solution for 9ln(x+9)-2lnx= equation: 


Simplifying
9ln(x + 9) + -2lnx = 0

Reorder the terms:
9ln(9 + x) + -2lnx = 0
(9 * 9ln + x * 9ln) + -2lnx = 0
(81ln + 9lnx) + -2lnx = 0

Combine like terms: 9lnx + -2lnx = 7lnx
81ln + 7lnx = 0

Solving
81ln + 7lnx = 0

Solving for variable 'l'.

Move all terms containing l to the left, all other terms to the right.

Factor out the Greatest Common Factor (GCF), 'ln'.
ln(81 + 7x) = 0


Subproblem 1
Set the factor 'ln' equal to zero and attempt to solve:

Simplifying
ln = 0

Solving
ln = 0

Move all terms containing l to the left, all other terms to the right.

Simplifying
ln = 0

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

Subproblem 2
Set the factor '(81 + 7x)' equal to zero and attempt to solve:

Simplifying
81 + 7x = 0

Solving
81 + 7x = 0

Move all terms containing l to the left, all other terms to the right.

Add '-81' to each side of the equation.
81 + -81 + 7x = 0 + -81

Combine like terms: 81 + -81 = 0
0 + 7x = 0 + -81
7x = 0 + -81

Combine like terms: 0 + -81 = -81
7x = -81

Add '-7x' to each side of the equation.
7x + -7x = -81 + -7x

Combine like terms: 7x + -7x = 0
0 = -81 + -7x

Simplifying
0 = -81 + -7x

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

The solution to this equation could not be determined.

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