18n^2+69n+25=-5

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Solution for 18n^2+69n+25=-5 equation:


Simplifying
18n2 + 69n + 25 = -5

Reorder the terms:
25 + 69n + 18n2 = -5

Solving
25 + 69n + 18n2 = -5

Solving for variable 'n'.

Reorder the terms:
25 + 5 + 69n + 18n2 = -5 + 5

Combine like terms: 25 + 5 = 30
30 + 69n + 18n2 = -5 + 5

Combine like terms: -5 + 5 = 0
30 + 69n + 18n2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(10 + 23n + 6n2) = 0

Factor a trinomial.
3((10 + 3n)(1 + 2n)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(10 + 3n)' equal to zero and attempt to solve: Simplifying 10 + 3n = 0 Solving 10 + 3n = 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 + 3n = 0 + -10 Combine like terms: 10 + -10 = 0 0 + 3n = 0 + -10 3n = 0 + -10 Combine like terms: 0 + -10 = -10 3n = -10 Divide each side by '3'. n = -3.333333333 Simplifying n = -3.333333333

Subproblem 2

Set the factor '(1 + 2n)' equal to zero and attempt to solve: Simplifying 1 + 2n = 0 Solving 1 + 2n = 0 Move all terms containing n to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 2n = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2n = 0 + -1 2n = 0 + -1 Combine like terms: 0 + -1 = -1 2n = -1 Divide each side by '2'. n = -0.5 Simplifying n = -0.5

Solution

n = {-3.333333333, -0.5}

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