n^2-12n+13=-7

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Solution for n^2-12n+13=-7 equation:


Simplifying
n2 + -12n + 13 = -7

Reorder the terms:
13 + -12n + n2 = -7

Solving
13 + -12n + n2 = -7

Solving for variable 'n'.

Reorder the terms:
13 + 7 + -12n + n2 = -7 + 7

Combine like terms: 13 + 7 = 20
20 + -12n + n2 = -7 + 7

Combine like terms: -7 + 7 = 0
20 + -12n + n2 = 0

Factor a trinomial.
(2 + -1n)(10 + -1n) = 0

Subproblem 1

Set the factor '(2 + -1n)' equal to zero and attempt to solve: Simplifying 2 + -1n = 0 Solving 2 + -1n = 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 + -1n = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1n = 0 + -2 -1n = 0 + -2 Combine like terms: 0 + -2 = -2 -1n = -2 Divide each side by '-1'. n = 2 Simplifying n = 2

Subproblem 2

Set the factor '(10 + -1n)' equal to zero and attempt to solve: Simplifying 10 + -1n = 0 Solving 10 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1n = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1n = 0 + -10 -1n = 0 + -10 Combine like terms: 0 + -10 = -10 -1n = -10 Divide each side by '-1'. n = 10 Simplifying n = 10

Solution

n = {2, 10}

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