11n^2-31n-14=n^2

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Solution for 11n^2-31n-14=n^2 equation:


Simplifying
11n2 + -31n + -14 = n2

Reorder the terms:
-14 + -31n + 11n2 = n2

Solving
-14 + -31n + 11n2 = n2

Solving for variable 'n'.

Combine like terms: 11n2 + -1n2 = 10n2
-14 + -31n + 10n2 = n2 + -1n2

Combine like terms: n2 + -1n2 = 0
-14 + -31n + 10n2 = 0

Factor a trinomial.
(-2 + -5n)(7 + -2n) = 0

Subproblem 1

Set the factor '(-2 + -5n)' equal to zero and attempt to solve: Simplifying -2 + -5n = 0 Solving -2 + -5n = 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 + -5n = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -5n = 0 + 2 -5n = 0 + 2 Combine like terms: 0 + 2 = 2 -5n = 2 Divide each side by '-5'. n = -0.4 Simplifying n = -0.4

Subproblem 2

Set the factor '(7 + -2n)' equal to zero and attempt to solve: Simplifying 7 + -2n = 0 Solving 7 + -2n = 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 + -2n = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2n = 0 + -7 -2n = 0 + -7 Combine like terms: 0 + -7 = -7 -2n = -7 Divide each side by '-2'. n = 3.5 Simplifying n = 3.5

Solution

n = {-0.4, 3.5}

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