ln(x^2-8)-ln(2x)=0

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Solution for ln(x^2-8)-ln(2x)=0 equation:


Simplifying
ln(x2 + -8) + -1ln(2x) = 0

Reorder the terms:
ln(-8 + x2) + -1ln(2x) = 0
(-8 * ln + x2 * ln) + -1ln(2x) = 0
(-8ln + lnx2) + -1ln(2x) = 0

Remove parenthesis around (2x)
-8ln + lnx2 + -1ln * 2x = 0

Reorder the terms for easier multiplication:
-8ln + lnx2 + -1 * 2ln * x = 0

Multiply -1 * 2
-8ln + lnx2 + -2ln * x = 0

Multiply ln * x
-8ln + lnx2 + -2lnx = 0

Reorder the terms:
-8ln + -2lnx + lnx2 = 0

Solving
-8ln + -2lnx + lnx2 = 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(-8 + -2x + x2) = 0

Factor a trinomial.
ln((-2 + -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 '(-2 + -1x)' equal to zero and attempt to solve: Simplifying -2 + -1x = 0 Solving -2 + -1x = 0 Move all terms containing l to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 0 + 2 -1x = 0 + 2 Combine like terms: 0 + 2 = 2 -1x = 2 Add 'x' to each side of the equation. -1x + x = 2 + x Combine like terms: -1x + x = 0 0 = 2 + x Simplifying 0 = 2 + 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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