56=n^2-n

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Solution for 56=n^2-n equation:


Simplifying
56 = n2 + -1n

Reorder the terms:
56 = -1n + n2

Solving
56 = -1n + n2

Solving for variable 'n'.

Reorder the terms:
56 + n + -1n2 = -1n + n + n2 + -1n2

Combine like terms: -1n + n = 0
56 + n + -1n2 = 0 + n2 + -1n2
56 + n + -1n2 = n2 + -1n2

Combine like terms: n2 + -1n2 = 0
56 + n + -1n2 = 0

Factor a trinomial.
(8 + -1n)(7 + n) = 0

Subproblem 1

Set the factor '(8 + -1n)' equal to zero and attempt to solve: Simplifying 8 + -1n = 0 Solving 8 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1n = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1n = 0 + -8 -1n = 0 + -8 Combine like terms: 0 + -8 = -8 -1n = -8 Divide each side by '-1'. n = 8 Simplifying n = 8

Subproblem 2

Set the factor '(7 + n)' equal to zero and attempt to solve: Simplifying 7 + n = 0 Solving 7 + n = 0 Move all terms containing n to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + n = 0 + -7 Combine like terms: 7 + -7 = 0 0 + n = 0 + -7 n = 0 + -7 Combine like terms: 0 + -7 = -7 n = -7 Simplifying n = -7

Solution

n = {8, -7}

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