3n^2-30=-n

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Solution for 3n^2-30=-n equation:


Simplifying
3n2 + -30 = -1n

Reorder the terms:
-30 + 3n2 = -1n

Solving
-30 + 3n2 = -1n

Solving for variable 'n'.

Reorder the terms:
-30 + n + 3n2 = -1n + n

Combine like terms: -1n + n = 0
-30 + n + 3n2 = 0

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

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 '(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

Solution

n = {-3.333333333, 3}

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