ln(3+x)-ln(x^2-9)=0

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Solution for ln(3+x)-ln(x^2-9)=0 equation:


Simplifying
ln(3 + x) + -1ln(x2 + -9) = 0
(3 * ln + x * ln) + -1ln(x2 + -9) = 0
(3ln + lnx) + -1ln(x2 + -9) = 0

Reorder the terms:
3ln + lnx + -1ln(-9 + x2) = 0
3ln + lnx + (-9 * -1ln + x2 * -1ln) = 0
3ln + lnx + (9ln + -1lnx2) = 0

Reorder the terms:
3ln + 9ln + lnx + -1lnx2 = 0

Combine like terms: 3ln + 9ln = 12ln
12ln + lnx + -1lnx2 = 0

Solving
12ln + lnx + -1lnx2 = 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(12 + x + -1x2) = 0

Factor a trinomial.
ln((4 + -1x)(3 + x)) = 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 '(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.

Subproblem 3

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 0 Move all terms containing l to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Add '-1x' to each side of the equation. x + -1x = -3 + -1x Combine like terms: x + -1x = 0 0 = -3 + -1x Simplifying 0 = -3 + -1x 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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