9n^2-37n-40=0

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Solution for 9n^2-37n-40=0 equation:


Simplifying
9n2 + -37n + -40 = 0

Reorder the terms:
-40 + -37n + 9n2 = 0

Solving
-40 + -37n + 9n2 = 0

Solving for variable 'n'.

Factor a trinomial.
(-8 + -9n)(5 + -1n) = 0

Subproblem 1

Set the factor '(-8 + -9n)' equal to zero and attempt to solve: Simplifying -8 + -9n = 0 Solving -8 + -9n = 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 + -9n = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -9n = 0 + 8 -9n = 0 + 8 Combine like terms: 0 + 8 = 8 -9n = 8 Divide each side by '-9'. n = -0.8888888889 Simplifying n = -0.8888888889

Subproblem 2

Set the factor '(5 + -1n)' equal to zero and attempt to solve: Simplifying 5 + -1n = 0 Solving 5 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1n = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1n = 0 + -5 -1n = 0 + -5 Combine like terms: 0 + -5 = -5 -1n = -5 Divide each side by '-1'. n = 5 Simplifying n = 5

Solution

n = {-0.8888888889, 5}

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