-6n^2-8n=-30-7n^2+3n

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Solution for -6n^2-8n=-30-7n^2+3n equation:


Simplifying
-6n2 + -8n = -30 + -7n2 + 3n

Reorder the terms:
-8n + -6n2 = -30 + -7n2 + 3n

Reorder the terms:
-8n + -6n2 = -30 + 3n + -7n2

Solving
-8n + -6n2 = -30 + 3n + -7n2

Solving for variable 'n'.

Reorder the terms:
30 + -8n + -3n + -6n2 + 7n2 = -30 + 3n + -7n2 + 30 + -3n + 7n2

Combine like terms: -8n + -3n = -11n
30 + -11n + -6n2 + 7n2 = -30 + 3n + -7n2 + 30 + -3n + 7n2

Combine like terms: -6n2 + 7n2 = 1n2
30 + -11n + 1n2 = -30 + 3n + -7n2 + 30 + -3n + 7n2

Reorder the terms:
30 + -11n + 1n2 = -30 + 30 + 3n + -3n + -7n2 + 7n2

Combine like terms: -30 + 30 = 0
30 + -11n + 1n2 = 0 + 3n + -3n + -7n2 + 7n2
30 + -11n + 1n2 = 3n + -3n + -7n2 + 7n2

Combine like terms: 3n + -3n = 0
30 + -11n + 1n2 = 0 + -7n2 + 7n2
30 + -11n + 1n2 = -7n2 + 7n2

Combine like terms: -7n2 + 7n2 = 0
30 + -11n + 1n2 = 0

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

Subproblem 1

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

Subproblem 2

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

Solution

n = {5, 6}

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