15n^2-n-16=0

Solution for 15n^2-n-16=0 equation:

Simplifying
15n2 + -1n + -16 = 0

Reorder the terms:
-16 + -1n + 15n2 = 0

Solving
-16 + -1n + 15n2 = 0

Solving for variable 'n'.

Factor a trinomial.
(-1 + -1n)(16 + -15n) = 0

Subproblem 1
Set the factor '(-1 + -1n)' equal to zero and attempt to solve:

Simplifying
-1 + -1n = 0

Solving
-1 + -1n = 0

Move all terms containing n to the left, all other terms to the right.

Add '1' to each side of the equation.
-1 + 1 + -1n = 0 + 1

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

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

Divide each side by '-1'.
n = -1

Simplifying
n = -1
Subproblem 2
Set the factor '(16 + -15n)' equal to zero and attempt to solve:

Simplifying
16 + -15n = 0

Solving
16 + -15n = 0

Move all terms containing n to the left, all other terms to the right.

Add '-16' to each side of the equation.
16 + -16 + -15n = 0 + -16

Combine like terms: 16 + -16 = 0
0 + -15n = 0 + -16
-15n = 0 + -16

Combine like terms: 0 + -16 = -16
-15n = -16

Divide each side by '-15'.
n = 1.066666667

Simplifying
n = 1.066666667
Solution
n = {-1, 1.066666667}