10n^2-87n-27=0

Solution for 10n^2-87n-27=0 equation:

Simplifying
10n2 + -87n + -27 = 0

Reorder the terms:
-27 + -87n + 10n2 = 0

Solving
-27 + -87n + 10n2 = 0

Solving for variable 'n'.

Factor a trinomial.
(-3 + -10n)(9 + -1n) = 0

Subproblem 1
Set the factor '(-3 + -10n)' equal to zero and attempt to solve:

Simplifying
-3 + -10n = 0

Solving
-3 + -10n = 0

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

Add '3' to each side of the equation.
-3 + 3 + -10n = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -10n = 0 + 3
-10n = 0 + 3

Combine like terms: 0 + 3 = 3
-10n = 3

Divide each side by '-10'.
n = -0.3

Simplifying
n = -0.3
Subproblem 2
Set the factor '(9 + -1n)' equal to zero and attempt to solve:

Simplifying
9 + -1n = 0

Solving
9 + -1n = 0

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

Add '-9' to each side of the equation.
9 + -9 + -1n = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -1n = 0 + -9
-1n = 0 + -9

Combine like terms: 0 + -9 = -9
-1n = -9

Divide each side by '-1'.
n = 9

Simplifying
n = 9
Solution
n = {-0.3, 9}