log(x^2-15)=log(2x)

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Solution for log(x^2-15)=log(2x) equation:


Simplifying
log(x2 + -15) = log(2x)

Reorder the terms:
glo(-15 + x2) = log(2x)
(-15 * glo + x2 * glo) = log(2x)
(-15glo + glox2) = log(2x)

Remove parenthesis around (2x)
-15glo + glox2 = glo * 2x

Reorder the terms for easier multiplication:
-15glo + glox2 = 2glo * x

Multiply glo * x
-15glo + glox2 = 2glox

Solving
-15glo + glox2 = 2glox

Solving for variable 'g'.

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

Add '-2glox' to each side of the equation.
-15glo + -2glox + glox2 = 2glox + -2glox

Combine like terms: 2glox + -2glox = 0
-15glo + -2glox + glox2 = 0

Factor out the Greatest Common Factor (GCF), 'glo'.
glo(-15 + -2x + x2) = 0

Factor a trinomial.
glo((-3 + -1x)(5 + -1x)) = 0

Subproblem 1

Set the factor 'glo' equal to zero and attempt to solve: Simplifying glo = 0 Solving glo = 0 Move all terms containing g to the left, all other terms to the right. Simplifying glo = 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 g 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 '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing g 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. The solution to this equation could not be determined.

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