ln(x-2)+ln(x+5)-ln(x^2-7)=0

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Solution for ln(x-2)+ln(x+5)-ln(x^2-7)=0 equation:


Simplifying
ln(x + -2) + ln(x + 5) + -1ln(x2 + -7) = 0

Reorder the terms:
ln(-2 + x) + ln(x + 5) + -1ln(x2 + -7) = 0
(-2 * ln + x * ln) + ln(x + 5) + -1ln(x2 + -7) = 0
(-2ln + lnx) + ln(x + 5) + -1ln(x2 + -7) = 0

Reorder the terms:
-2ln + lnx + ln(5 + x) + -1ln(x2 + -7) = 0
-2ln + lnx + (5 * ln + x * ln) + -1ln(x2 + -7) = 0
-2ln + lnx + (5ln + lnx) + -1ln(x2 + -7) = 0

Reorder the terms:
-2ln + lnx + 5ln + lnx + -1ln(-7 + x2) = 0
-2ln + lnx + 5ln + lnx + (-7 * -1ln + x2 * -1ln) = 0
-2ln + lnx + 5ln + lnx + (7ln + -1lnx2) = 0

Reorder the terms:
-2ln + 5ln + 7ln + lnx + lnx + -1lnx2 = 0

Combine like terms: -2ln + 5ln = 3ln
3ln + 7ln + lnx + lnx + -1lnx2 = 0

Combine like terms: 3ln + 7ln = 10ln
10ln + lnx + lnx + -1lnx2 = 0

Combine like terms: lnx + lnx = 2lnx
10ln + 2lnx + -1lnx2 = 0

Solving
10ln + 2lnx + -1lnx2 = 0

Solving for variable 'l'.

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

Factor out the Greatest Common Factor (GCF), 'ln'.
ln(10 + 2x + -1x2) = 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 '(10 + 2x + -1x2)' equal to zero and attempt to solve: Simplifying 10 + 2x + -1x2 = 0 Solving 10 + 2x + -1x2 = 0 Move all terms containing l to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + 2x + -10 + -1x2 = 0 + -10 Reorder the terms: 10 + -10 + 2x + -1x2 = 0 + -10 Combine like terms: 10 + -10 = 0 0 + 2x + -1x2 = 0 + -10 2x + -1x2 = 0 + -10 Combine like terms: 0 + -10 = -10 2x + -1x2 = -10 Add '-2x' to each side of the equation. 2x + -2x + -1x2 = -10 + -2x Combine like terms: 2x + -2x = 0 0 + -1x2 = -10 + -2x -1x2 = -10 + -2x Add 'x2' to each side of the equation. -1x2 + x2 = -10 + -2x + x2 Combine like terms: -1x2 + x2 = 0 0 = -10 + -2x + x2 Simplifying 0 = -10 + -2x + x2 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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