ln(4x^2-8x-30)=2ln(2x)

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Solution for ln(4x^2-8x-30)=2ln(2x) equation:


Simplifying
ln(4x2 + -8x + -30) = 2ln(2x)

Reorder the terms:
ln(-30 + -8x + 4x2) = 2ln(2x)
(-30 * ln + -8x * ln + 4x2 * ln) = 2ln(2x)
(-30ln + -8lnx + 4lnx2) = 2ln(2x)

Remove parenthesis around (2x)
-30ln + -8lnx + 4lnx2 = 2ln * 2x

Reorder the terms for easier multiplication:
-30ln + -8lnx + 4lnx2 = 2 * 2ln * x

Multiply 2 * 2
-30ln + -8lnx + 4lnx2 = 4ln * x

Multiply ln * x
-30ln + -8lnx + 4lnx2 = 4lnx

Solving
-30ln + -8lnx + 4lnx2 = 4lnx

Solving for variable 'l'.

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

Add '-4lnx' to each side of the equation.
-30ln + -8lnx + -4lnx + 4lnx2 = 4lnx + -4lnx

Combine like terms: -8lnx + -4lnx = -12lnx
-30ln + -12lnx + 4lnx2 = 4lnx + -4lnx

Combine like terms: 4lnx + -4lnx = 0
-30ln + -12lnx + 4lnx2 = 0

Factor out the Greatest Common Factor (GCF), '2ln'.
2ln(-15 + -6x + 2x2) = 0

Ignore the factor 2.

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 '(-15 + -6x + 2x2)' equal to zero and attempt to solve: Simplifying -15 + -6x + 2x2 = 0 Solving -15 + -6x + 2x2 = 0 Move all terms containing l to the left, all other terms to the right. Add '15' to each side of the equation. -15 + -6x + 15 + 2x2 = 0 + 15 Reorder the terms: -15 + 15 + -6x + 2x2 = 0 + 15 Combine like terms: -15 + 15 = 0 0 + -6x + 2x2 = 0 + 15 -6x + 2x2 = 0 + 15 Combine like terms: 0 + 15 = 15 -6x + 2x2 = 15 Add '6x' to each side of the equation. -6x + 6x + 2x2 = 15 + 6x Combine like terms: -6x + 6x = 0 0 + 2x2 = 15 + 6x 2x2 = 15 + 6x Add '-2x2' to each side of the equation. 2x2 + -2x2 = 15 + 6x + -2x2 Combine like terms: 2x2 + -2x2 = 0 0 = 15 + 6x + -2x2 Simplifying 0 = 15 + 6x + -2x2 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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