(3n+1)(n-5)=0

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Solution for (3n+1)(n-5)=0 equation:


Simplifying
(3n + 1)(n + -5) = 0

Reorder the terms:
(1 + 3n)(n + -5) = 0

Reorder the terms:
(1 + 3n)(-5 + n) = 0

Multiply (1 + 3n) * (-5 + n)
(1(-5 + n) + 3n * (-5 + n)) = 0
((-5 * 1 + n * 1) + 3n * (-5 + n)) = 0
((-5 + 1n) + 3n * (-5 + n)) = 0
(-5 + 1n + (-5 * 3n + n * 3n)) = 0
(-5 + 1n + (-15n + 3n2)) = 0

Combine like terms: 1n + -15n = -14n
(-5 + -14n + 3n2) = 0

Solving
-5 + -14n + 3n2 = 0

Solving for variable 'n'.

Factor a trinomial.
(-1 + -3n)(5 + -1n) = 0

Subproblem 1

Set the factor '(-1 + -3n)' equal to zero and attempt to solve: Simplifying -1 + -3n = 0 Solving -1 + -3n = 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 + -3n = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -3n = 0 + 1 -3n = 0 + 1 Combine like terms: 0 + 1 = 1 -3n = 1 Divide each side by '-3'. n = -0.3333333333 Simplifying n = -0.3333333333

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 = {-0.3333333333, 5}

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