-2n^2+2n+53=-7

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Solution for -2n^2+2n+53=-7 equation:


Simplifying
-2n2 + 2n + 53 = -7

Reorder the terms:
53 + 2n + -2n2 = -7

Solving
53 + 2n + -2n2 = -7

Solving for variable 'n'.

Reorder the terms:
53 + 7 + 2n + -2n2 = -7 + 7

Combine like terms: 53 + 7 = 60
60 + 2n + -2n2 = -7 + 7

Combine like terms: -7 + 7 = 0
60 + 2n + -2n2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(30 + n + -1n2) = 0

Factor a trinomial.
2((6 + -1n)(5 + n)) = 0

Ignore the factor 2.

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 '(5 + n)' equal to zero and attempt to solve: Simplifying 5 + n = 0 Solving 5 + n = 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 + n = 0 + -5 Combine like terms: 5 + -5 = 0 0 + n = 0 + -5 n = 0 + -5 Combine like terms: 0 + -5 = -5 n = -5 Simplifying n = -5

Solution

n = {6, -5}

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