ln(x+6)=2ln(x-6)

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Solution for ln(x+6)=2ln(x-6) equation:


Simplifying
ln(x + 6) = 2ln(x + -6)

Reorder the terms:
ln(6 + x) = 2ln(x + -6)
(6 * ln + x * ln) = 2ln(x + -6)
(6ln + lnx) = 2ln(x + -6)

Reorder the terms:
6ln + lnx = 2ln(-6 + x)
6ln + lnx = (-6 * 2ln + x * 2ln)
6ln + lnx = (-12ln + 2lnx)

Solving
6ln + lnx = -12ln + 2lnx

Solving for variable 'l'.

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

Add '12ln' to each side of the equation.
6ln + 12ln + lnx = -12ln + 12ln + 2lnx

Combine like terms: 6ln + 12ln = 18ln
18ln + lnx = -12ln + 12ln + 2lnx

Combine like terms: -12ln + 12ln = 0
18ln + lnx = 0 + 2lnx
18ln + lnx = 2lnx

Add '-2lnx' to each side of the equation.
18ln + lnx + -2lnx = 2lnx + -2lnx

Combine like terms: lnx + -2lnx = -1lnx
18ln + -1lnx = 2lnx + -2lnx

Combine like terms: 2lnx + -2lnx = 0
18ln + -1lnx = 0

Factor out the Greatest Common Factor (GCF), 'ln'.
ln(18 + -1x) = 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 '(18 + -1x)' equal to zero and attempt to solve: Simplifying 18 + -1x = 0 Solving 18 + -1x = 0 Move all terms containing l to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + -1x = 0 + -18 Combine like terms: 18 + -18 = 0 0 + -1x = 0 + -18 -1x = 0 + -18 Combine like terms: 0 + -18 = -18 -1x = -18 Add 'x' to each side of the equation. -1x + x = -18 + x Combine like terms: -1x + x = 0 0 = -18 + x Simplifying 0 = -18 + x 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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