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Simplifying 0 = ln(4 + -1x2) 0 = (4 * ln + -1x2 * ln) 0 = (4ln + -1lnx2) Solving 0 = 4ln + -1lnx2 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. 0 + -4ln = 4ln + -4ln + -1lnx2 Remove the zero: -4ln = 4ln + -4ln + -1lnx2 Combine like terms: 4ln + -4ln = 0 -4ln = 0 + -1lnx2 -4ln = -1lnx2 Add 'lnx2' to each side of the equation. -4ln + lnx2 = -1lnx2 + lnx2 Combine like terms: -1lnx2 + lnx2 = 0 -4ln + lnx2 = 0 Factor out the Greatest Common Factor (GCF), 'ln'. ln(-4 + x2) = 0 Factor a difference between two squares. ln((2 + x)(-2 + 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 '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 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 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Add '-1x' to each side of the equation. x + -1x = -2 + -1x Combine like terms: x + -1x = 0 0 = -2 + -1x Simplifying 0 = -2 + -1x 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 + x)' equal to zero and attempt to solve: Simplifying -2 + x = 0 Solving -2 + x = 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 + x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + x = 0 + 2 x = 0 + 2 Combine like terms: 0 + 2 = 2 x = 2 Add '-1x' to each side of the equation. x + -1x = 2 + -1x Combine like terms: x + -1x = 0 0 = 2 + -1x Simplifying 0 = 2 + -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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