ln(2x^2-4)-ln(x+1)-ln(x-1)=0

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Solution for ln(2x^2-4)-ln(x+1)-ln(x-1)=0 equation:


Simplifying
ln(2x2 + -4) + -1ln(x + 1) + -1ln(x + -1) = 0

Reorder the terms:
ln(-4 + 2x2) + -1ln(x + 1) + -1ln(x + -1) = 0
(-4 * ln + 2x2 * ln) + -1ln(x + 1) + -1ln(x + -1) = 0
(-4ln + 2lnx2) + -1ln(x + 1) + -1ln(x + -1) = 0

Reorder the terms:
-4ln + 2lnx2 + -1ln(1 + x) + -1ln(x + -1) = 0
-4ln + 2lnx2 + (1 * -1ln + x * -1ln) + -1ln(x + -1) = 0
-4ln + 2lnx2 + (-1ln + -1lnx) + -1ln(x + -1) = 0

Reorder the terms:
-4ln + 2lnx2 + -1ln + -1lnx + -1ln(-1 + x) = 0
-4ln + 2lnx2 + -1ln + -1lnx + (-1 * -1ln + x * -1ln) = 0
-4ln + 2lnx2 + -1ln + -1lnx + (1ln + -1lnx) = 0

Reorder the terms:
-4ln + -1ln + 1ln + -1lnx + -1lnx + 2lnx2 = 0

Combine like terms: -4ln + -1ln = -5ln
-5ln + 1ln + -1lnx + -1lnx + 2lnx2 = 0

Combine like terms: -5ln + 1ln = -4ln
-4ln + -1lnx + -1lnx + 2lnx2 = 0

Combine like terms: -1lnx + -1lnx = -2lnx
-4ln + -2lnx + 2lnx2 = 0

Solving
-4ln + -2lnx + 2lnx2 = 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), '2ln'.
2ln(-2 + -1x + x2) = 0

Factor a trinomial.
2ln((-1 + -1x)(2 + -1x)) = 0

Ignore the factor 2.

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 '(-1 + -1x)' equal to zero and attempt to solve: Simplifying -1 + -1x = 0 Solving -1 + -1x = 0 Move all terms containing l to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -1x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1x = 0 + 1 -1x = 0 + 1 Combine like terms: 0 + 1 = 1 -1x = 1 Add 'x' to each side of the equation. -1x + x = 1 + x Combine like terms: -1x + x = 0 0 = 1 + x Simplifying 0 = 1 + 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 '(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. The solution to this equation could not be determined.

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