ln(x)+ln(x+1)=ln(x+4)

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Solution for ln(x)+ln(x+1)=ln(x+4) equation:


Simplifying
ln(x) + ln(x + 1) = ln(x + 4)

Multiply ln * x
lnx + ln(x + 1) = ln(x + 4)

Reorder the terms:
lnx + ln(1 + x) = ln(x + 4)
lnx + (1 * ln + x * ln) = ln(x + 4)
lnx + (1ln + lnx) = ln(x + 4)

Reorder the terms:
1ln + lnx + lnx = ln(x + 4)

Combine like terms: lnx + lnx = 2lnx
1ln + 2lnx = ln(x + 4)

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

Solving
1ln + 2lnx = 4ln + lnx

Solving for variable 'l'.

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

Add '-4ln' to each side of the equation.
1ln + -4ln + 2lnx = 4ln + -4ln + lnx

Combine like terms: 1ln + -4ln = -3ln
-3ln + 2lnx = 4ln + -4ln + lnx

Combine like terms: 4ln + -4ln = 0
-3ln + 2lnx = 0 + lnx
-3ln + 2lnx = lnx

Add '-1lnx' to each side of the equation.
-3ln + 2lnx + -1lnx = lnx + -1lnx

Combine like terms: 2lnx + -1lnx = 1lnx
-3ln + 1lnx = lnx + -1lnx

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

Factor out the Greatest Common Factor (GCF), 'ln'.
ln(-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 '(-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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