2n^2+n-13=-3

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Solution for 2n^2+n-13=-3 equation:


Simplifying
2n2 + n + -13 = -3

Reorder the terms:
-13 + n + 2n2 = -3

Solving
-13 + n + 2n2 = -3

Solving for variable 'n'.

Reorder the terms:
-13 + 3 + n + 2n2 = -3 + 3

Combine like terms: -13 + 3 = -10
-10 + n + 2n2 = -3 + 3

Combine like terms: -3 + 3 = 0
-10 + n + 2n2 = 0

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

Subproblem 1

Set the factor '(-5 + -2n)' equal to zero and attempt to solve: Simplifying -5 + -2n = 0 Solving -5 + -2n = 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 + -2n = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -2n = 0 + 5 -2n = 0 + 5 Combine like terms: 0 + 5 = 5 -2n = 5 Divide each side by '-2'. n = -2.5 Simplifying n = -2.5

Subproblem 2

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

Solution

n = {-2.5, 2}

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