n^2-4n-5=-5

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Solution for n^2-4n-5=-5 equation:


Simplifying
n2 + -4n + -5 = -5

Reorder the terms:
-5 + -4n + n2 = -5

Add '5' to each side of the equation.
-5 + -4n + 5 + n2 = -5 + 5

Reorder the terms:
-5 + 5 + -4n + n2 = -5 + 5

Combine like terms: -5 + 5 = 0
0 + -4n + n2 = -5 + 5
-4n + n2 = -5 + 5

Combine like terms: -5 + 5 = 0
-4n + n2 = 0

Solving
-4n + n2 = 0

Solving for variable 'n'.

Factor out the Greatest Common Factor (GCF), 'n'.
n(-4 + n) = 0

Subproblem 1

Set the factor 'n' equal to zero and attempt to solve: Simplifying n = 0 Solving n = 0 Move all terms containing n to the left, all other terms to the right. Simplifying n = 0

Subproblem 2

Set the factor '(-4 + n)' equal to zero and attempt to solve: Simplifying -4 + n = 0 Solving -4 + n = 0 Move all terms containing n to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + n = 0 + 4 Combine like terms: -4 + 4 = 0 0 + n = 0 + 4 n = 0 + 4 Combine like terms: 0 + 4 = 4 n = 4 Simplifying n = 4

Solution

n = {0, 4}

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