ln(x^2-7)=ln(3-3x)

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Solution for ln(x^2-7)=ln(3-3x) equation:


Simplifying
ln(x2 + -7) = ln(3 + -3x)

Reorder the terms:
ln(-7 + x2) = ln(3 + -3x)
(-7 * ln + x2 * ln) = ln(3 + -3x)
(-7ln + lnx2) = ln(3 + -3x)
-7ln + lnx2 = (3 * ln + -3x * ln)
-7ln + lnx2 = (3ln + -3lnx)

Solving
-7ln + lnx2 = 3ln + -3lnx

Solving for variable 'l'.

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

Add '-3ln' to each side of the equation.
-7ln + -3ln + lnx2 = 3ln + -3ln + -3lnx

Combine like terms: -7ln + -3ln = -10ln
-10ln + lnx2 = 3ln + -3ln + -3lnx

Combine like terms: 3ln + -3ln = 0
-10ln + lnx2 = 0 + -3lnx
-10ln + lnx2 = -3lnx

Add '3lnx' to each side of the equation.
-10ln + 3lnx + lnx2 = -3lnx + 3lnx

Combine like terms: -3lnx + 3lnx = 0
-10ln + 3lnx + lnx2 = 0

Factor out the Greatest Common Factor (GCF), 'ln'.
ln(-10 + 3x + x2) = 0

Factor a trinomial.
ln((-5 + -1x)(2 + -1x)) = 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 '(-5 + -1x)' equal to zero and attempt to solve: Simplifying -5 + -1x = 0 Solving -5 + -1x = 0 Move all terms containing l to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -1x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1x = 0 + 5 -1x = 0 + 5 Combine like terms: 0 + 5 = 5 -1x = 5 Add 'x' to each side of the equation. -1x + x = 5 + x Combine like terms: -1x + x = 0 0 = 5 + x Simplifying 0 = 5 + 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 '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 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 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Add 'x' to each side of the equation. -1x + x = -2 + x Combine like terms: -1x + x = 0 0 = -2 + x Simplifying 0 = -2 + 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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