n^2=6n+72

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Solution for n^2=6n+72 equation:


Simplifying
n2 = 6n + 72

Reorder the terms:
n2 = 72 + 6n

Solving
n2 = 72 + 6n

Solving for variable 'n'.

Reorder the terms:
-72 + -6n + n2 = 72 + 6n + -72 + -6n

Reorder the terms:
-72 + -6n + n2 = 72 + -72 + 6n + -6n

Combine like terms: 72 + -72 = 0
-72 + -6n + n2 = 0 + 6n + -6n
-72 + -6n + n2 = 6n + -6n

Combine like terms: 6n + -6n = 0
-72 + -6n + n2 = 0

Factor a trinomial.
(-6 + -1n)(12 + -1n) = 0

Subproblem 1

Set the factor '(-6 + -1n)' equal to zero and attempt to solve: Simplifying -6 + -1n = 0 Solving -6 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -1n = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1n = 0 + 6 -1n = 0 + 6 Combine like terms: 0 + 6 = 6 -1n = 6 Divide each side by '-1'. n = -6 Simplifying n = -6

Subproblem 2

Set the factor '(12 + -1n)' equal to zero and attempt to solve: Simplifying 12 + -1n = 0 Solving 12 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + -1n = 0 + -12 Combine like terms: 12 + -12 = 0 0 + -1n = 0 + -12 -1n = 0 + -12 Combine like terms: 0 + -12 = -12 -1n = -12 Divide each side by '-1'. n = 12 Simplifying n = 12

Solution

n = {-6, 12}

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