ln(y+5)(y-3)=0

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Solution for ln(y+5)(y-3)=0 equation:


Simplifying
ln(y + 5)(y + -3) = 0

Reorder the terms:
ln(5 + y)(y + -3) = 0

Reorder the terms:
ln(5 + y)(-3 + y) = 0

Multiply (5 + y) * (-3 + y)
ln(5(-3 + y) + y(-3 + y)) = 0
ln((-3 * 5 + y * 5) + y(-3 + y)) = 0
ln((-15 + 5y) + y(-3 + y)) = 0
ln(-15 + 5y + (-3 * y + y * y)) = 0
ln(-15 + 5y + (-3y + y2)) = 0

Combine like terms: 5y + -3y = 2y
ln(-15 + 2y + y2) = 0
(-15 * ln + 2y * ln + y2 * ln) = 0
(-15ln + 2lny + lny2) = 0

Solving
-15ln + 2lny + lny2 = 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(-15 + 2y + y2) = 0

Factor a trinomial.
ln((-5 + -1y)(3 + -1y)) = 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 + -1y)' equal to zero and attempt to solve: Simplifying -5 + -1y = 0 Solving -5 + -1y = 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 + -1y = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1y = 0 + 5 -1y = 0 + 5 Combine like terms: 0 + 5 = 5 -1y = 5 Add 'y' to each side of the equation. -1y + y = 5 + y Combine like terms: -1y + y = 0 0 = 5 + y Simplifying 0 = 5 + y 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 '(3 + -1y)' equal to zero and attempt to solve: Simplifying 3 + -1y = 0 Solving 3 + -1y = 0 Move all terms containing l to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1y = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1y = 0 + -3 -1y = 0 + -3 Combine like terms: 0 + -3 = -3 -1y = -3 Add 'y' to each side of the equation. -1y + y = -3 + y Combine like terms: -1y + y = 0 0 = -3 + y Simplifying 0 = -3 + y 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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