(n^2+12)=-9n-2

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Solution for (n^2+12)=-9n-2 equation:


Simplifying
(n2 + 12) = -9n + -2

Reorder the terms:
(12 + n2) = -9n + -2

Remove parenthesis around (12 + n2)
12 + n2 = -9n + -2

Reorder the terms:
12 + n2 = -2 + -9n

Solving
12 + n2 = -2 + -9n

Solving for variable 'n'.

Reorder the terms:
12 + 2 + 9n + n2 = -2 + -9n + 2 + 9n

Combine like terms: 12 + 2 = 14
14 + 9n + n2 = -2 + -9n + 2 + 9n

Reorder the terms:
14 + 9n + n2 = -2 + 2 + -9n + 9n

Combine like terms: -2 + 2 = 0
14 + 9n + n2 = 0 + -9n + 9n
14 + 9n + n2 = -9n + 9n

Combine like terms: -9n + 9n = 0
14 + 9n + n2 = 0

Factor a trinomial.
(7 + n)(2 + n) = 0

Subproblem 1

Set the factor '(7 + n)' equal to zero and attempt to solve: Simplifying 7 + n = 0 Solving 7 + n = 0 Move all terms containing n to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + n = 0 + -7 Combine like terms: 7 + -7 = 0 0 + n = 0 + -7 n = 0 + -7 Combine like terms: 0 + -7 = -7 n = -7 Simplifying n = -7

Subproblem 2

Set the factor '(2 + n)' equal to zero and attempt to solve: Simplifying 2 + n = 0 Solving 2 + n = 0 Move all terms containing n to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + n = 0 + -2 Combine like terms: 2 + -2 = 0 0 + n = 0 + -2 n = 0 + -2 Combine like terms: 0 + -2 = -2 n = -2 Simplifying n = -2

Solution

n = {-7, -2}

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