ln(x+3)*lnx=ln(x-1)

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Solution for ln(x+3)*lnx=ln(x-1) equation:


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

Reorder the terms:
ln(3 + x) * lnx = ln(x + -1)

Reorder the terms for easier multiplication:
ln * lnx(3 + x) = ln(x + -1)

Multiply ln * lnx
l2n2x(3 + x) = ln(x + -1)
(3 * l2n2x + x * l2n2x) = ln(x + -1)
(3l2n2x + l2n2x2) = ln(x + -1)

Reorder the terms:
3l2n2x + l2n2x2 = ln(-1 + x)
3l2n2x + l2n2x2 = (-1 * ln + x * ln)
3l2n2x + l2n2x2 = (-1ln + lnx)

Solving
3l2n2x + l2n2x2 = -1ln + lnx

Solving for variable 'l'.

Reorder the terms:
ln + -1lnx + 3l2n2x + l2n2x2 = -1ln + lnx + ln + -1lnx

Reorder the terms:
ln + -1lnx + 3l2n2x + l2n2x2 = -1ln + ln + lnx + -1lnx

Combine like terms: -1ln + ln = 0
ln + -1lnx + 3l2n2x + l2n2x2 = 0 + lnx + -1lnx
ln + -1lnx + 3l2n2x + l2n2x2 = lnx + -1lnx

Combine like terms: lnx + -1lnx = 0
ln + -1lnx + 3l2n2x + l2n2x2 = 0

Factor out the Greatest Common Factor (GCF), 'ln'.
ln(1 + -1x + 3lnx + lnx2) = 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 '(1 + -1x + 3lnx + lnx2)' equal to zero and attempt to solve: Simplifying 1 + -1x + 3lnx + lnx2 = 0 Reorder the terms: 1 + 3lnx + lnx2 + -1x = 0 Solving 1 + 3lnx + lnx2 + -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 + 3lnx + lnx2 + -1 + -1x = 0 + -1 Reorder the terms: 1 + -1 + 3lnx + lnx2 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 3lnx + lnx2 + -1x = 0 + -1 3lnx + lnx2 + -1x = 0 + -1 Combine like terms: 0 + -1 = -1 3lnx + lnx2 + -1x = -1 Add 'x' to each side of the equation. 3lnx + lnx2 + -1x + x = -1 + x Combine like terms: -1x + x = 0 3lnx + lnx2 + 0 = -1 + x 3lnx + lnx2 = -1 + 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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