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Simplifying 2ln(x + 1) = ln(x2 + -1) Reorder the terms: 2ln(1 + x) = ln(x2 + -1) (1 * 2ln + x * 2ln) = ln(x2 + -1) (2ln + 2lnx) = ln(x2 + -1) Reorder the terms: 2ln + 2lnx = ln(-1 + x2) 2ln + 2lnx = (-1 * ln + x2 * ln) 2ln + 2lnx = (-1ln + lnx2) Solving 2ln + 2lnx = -1ln + lnx2 Solving for variable 'l'. Move all terms containing l to the left, all other terms to the right. Add 'ln' to each side of the equation. 2ln + ln + 2lnx = -1ln + ln + lnx2 Combine like terms: 2ln + ln = 3ln 3ln + 2lnx = -1ln + ln + lnx2 Combine like terms: -1ln + ln = 0 3ln + 2lnx = 0 + lnx2 3ln + 2lnx = lnx2 Add '-1lnx2' to each side of the equation. 3ln + 2lnx + -1lnx2 = lnx2 + -1lnx2 Combine like terms: lnx2 + -1lnx2 = 0 3ln + 2lnx + -1lnx2 = 0 Factor out the Greatest Common Factor (GCF), 'ln'. ln(3 + 2x + -1x2) = 0 Factor a trinomial. ln((3 + -1x)(1 + x)) = 0Subproblem 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 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 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 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Add 'x' to each side of the equation. -1x + x = -3 + x Combine like terms: -1x + x = 0 0 = -3 + x Simplifying 0 = -3 + 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 '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 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 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Add '-1x' to each side of the equation. x + -1x = -1 + -1x Combine like terms: x + -1x = 0 0 = -1 + -1x Simplifying 0 = -1 + -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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