20n-n^2-36=0

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Solution for 20n-n^2-36=0 equation:


Simplifying
20n + -1n2 + -36 = 0

Reorder the terms:
-36 + 20n + -1n2 = 0

Solving
-36 + 20n + -1n2 = 0

Solving for variable 'n'.

Factor a trinomial.
(-18 + n)(2 + -1n) = 0

Subproblem 1

Set the factor '(-18 + n)' equal to zero and attempt to solve: Simplifying -18 + n = 0 Solving -18 + n = 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 + n = 0 + 18 Combine like terms: -18 + 18 = 0 0 + n = 0 + 18 n = 0 + 18 Combine like terms: 0 + 18 = 18 n = 18 Simplifying n = 18

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 = {18, 2}

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