n^2-8n=180

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Solution for n^2-8n=180 equation:


Simplifying
n2 + -8n = 180

Reorder the terms:
-8n + n2 = 180

Solving
-8n + n2 = 180

Solving for variable 'n'.

Reorder the terms:
-180 + -8n + n2 = 180 + -180

Combine like terms: 180 + -180 = 0
-180 + -8n + n2 = 0

Factor a trinomial.
(-10 + -1n)(18 + -1n) = 0

Subproblem 1

Set the factor '(-10 + -1n)' equal to zero and attempt to solve: Simplifying -10 + -1n = 0 Solving -10 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + -1n = 0 + 10 Combine like terms: -10 + 10 = 0 0 + -1n = 0 + 10 -1n = 0 + 10 Combine like terms: 0 + 10 = 10 -1n = 10 Divide each side by '-1'. n = -10 Simplifying n = -10

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 = {-10, 18}

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