n^2-17=2n-2

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Solution for n^2-17=2n-2 equation:


Simplifying
n2 + -17 = 2n + -2

Reorder the terms:
-17 + n2 = 2n + -2

Reorder the terms:
-17 + n2 = -2 + 2n

Solving
-17 + n2 = -2 + 2n

Solving for variable 'n'.

Reorder the terms:
-17 + 2 + -2n + n2 = -2 + 2n + 2 + -2n

Combine like terms: -17 + 2 = -15
-15 + -2n + n2 = -2 + 2n + 2 + -2n

Reorder the terms:
-15 + -2n + n2 = -2 + 2 + 2n + -2n

Combine like terms: -2 + 2 = 0
-15 + -2n + n2 = 0 + 2n + -2n
-15 + -2n + n2 = 2n + -2n

Combine like terms: 2n + -2n = 0
-15 + -2n + n2 = 0

Factor a trinomial.
(-3 + -1n)(5 + -1n) = 0

Subproblem 1

Set the factor '(-3 + -1n)' equal to zero and attempt to solve: Simplifying -3 + -1n = 0 Solving -3 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1n = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1n = 0 + 3 -1n = 0 + 3 Combine like terms: 0 + 3 = 3 -1n = 3 Divide each side by '-1'. n = -3 Simplifying n = -3

Subproblem 2

Set the factor '(5 + -1n)' equal to zero and attempt to solve: Simplifying 5 + -1n = 0 Solving 5 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1n = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1n = 0 + -5 -1n = 0 + -5 Combine like terms: 0 + -5 = -5 -1n = -5 Divide each side by '-1'. n = 5 Simplifying n = 5

Solution

n = {-3, 5}

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