5n^2-15n=50

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Solution for 5n^2-15n=50 equation:


Simplifying
5n2 + -15n = 50

Reorder the terms:
-15n + 5n2 = 50

Solving
-15n + 5n2 = 50

Solving for variable 'n'.

Reorder the terms:
-50 + -15n + 5n2 = 50 + -50

Combine like terms: 50 + -50 = 0
-50 + -15n + 5n2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(-10 + -3n + n2) = 0

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

Ignore the factor 5.

Subproblem 1

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

Subproblem 2

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

Solution

n = {-2, 5}

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