ln(x^2-16)=ln(8-2x)

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Solution for ln(x^2-16)=ln(8-2x) equation:


Simplifying
ln(x2 + -16) = ln(8 + -2x)

Reorder the terms:
ln(-16 + x2) = ln(8 + -2x)
(-16 * ln + x2 * ln) = ln(8 + -2x)
(-16ln + lnx2) = ln(8 + -2x)
-16ln + lnx2 = (8 * ln + -2x * ln)
-16ln + lnx2 = (8ln + -2lnx)

Solving
-16ln + lnx2 = 8ln + -2lnx

Solving for variable 'l'.

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

Add '-8ln' to each side of the equation.
-16ln + -8ln + lnx2 = 8ln + -8ln + -2lnx

Combine like terms: -16ln + -8ln = -24ln
-24ln + lnx2 = 8ln + -8ln + -2lnx

Combine like terms: 8ln + -8ln = 0
-24ln + lnx2 = 0 + -2lnx
-24ln + lnx2 = -2lnx

Add '2lnx' to each side of the equation.
-24ln + 2lnx + lnx2 = -2lnx + 2lnx

Combine like terms: -2lnx + 2lnx = 0
-24ln + 2lnx + lnx2 = 0

Factor out the Greatest Common Factor (GCF), 'ln'.
ln(-24 + 2x + x2) = 0

Factor a trinomial.
ln((-6 + -1x)(4 + -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 '(-6 + -1x)' equal to zero and attempt to solve: Simplifying -6 + -1x = 0 Solving -6 + -1x = 0 Move all terms containing l to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -1x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1x = 0 + 6 -1x = 0 + 6 Combine like terms: 0 + 6 = 6 -1x = 6 Add 'x' to each side of the equation. -1x + x = 6 + x Combine like terms: -1x + x = 0 0 = 6 + x Simplifying 0 = 6 + x The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 3

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing l to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Add 'x' to each side of the equation. -1x + x = -4 + x Combine like terms: -1x + x = 0 0 = -4 + x Simplifying 0 = -4 + 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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