5n^2-80=-30n

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Solution for 5n^2-80=-30n equation:


Simplifying
5n2 + -80 = -30n

Reorder the terms:
-80 + 5n2 = -30n

Solving
-80 + 5n2 = -30n

Solving for variable 'n'.

Reorder the terms:
-80 + 30n + 5n2 = -30n + 30n

Combine like terms: -30n + 30n = 0
-80 + 30n + 5n2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(-16 + 6n + n2) = 0

Factor a trinomial.
5((-8 + -1n)(2 + -1n)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(-8 + -1n)' equal to zero and attempt to solve: Simplifying -8 + -1n = 0 Solving -8 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1n = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1n = 0 + 8 -1n = 0 + 8 Combine like terms: 0 + 8 = 8 -1n = 8 Divide each side by '-1'. n = -8 Simplifying n = -8

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 = {-8, 2}

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