n(n+5)=414

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Solution for n(n+5)=414 equation:


Simplifying
n(n + 5) = 414

Reorder the terms:
n(5 + n) = 414
(5 * n + n * n) = 414
(5n + n2) = 414

Solving
5n + n2 = 414

Solving for variable 'n'.

Reorder the terms:
-414 + 5n + n2 = 414 + -414

Combine like terms: 414 + -414 = 0
-414 + 5n + n2 = 0

Factor a trinomial.
(-23 + -1n)(18 + -1n) = 0

Subproblem 1

Set the factor '(-23 + -1n)' equal to zero and attempt to solve: Simplifying -23 + -1n = 0 Solving -23 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '23' to each side of the equation. -23 + 23 + -1n = 0 + 23 Combine like terms: -23 + 23 = 0 0 + -1n = 0 + 23 -1n = 0 + 23 Combine like terms: 0 + 23 = 23 -1n = 23 Divide each side by '-1'. n = -23 Simplifying n = -23

Subproblem 2

Set the factor '(18 + -1n)' equal to zero and attempt to solve: Simplifying 18 + -1n = 0 Solving 18 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + -1n = 0 + -18 Combine like terms: 18 + -18 = 0 0 + -1n = 0 + -18 -1n = 0 + -18 Combine like terms: 0 + -18 = -18 -1n = -18 Divide each side by '-1'. n = 18 Simplifying n = 18

Solution

n = {-23, 18}

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