8n^2+77n-30=0

Solution for 8n^2+77n-30=0 equation:

Simplifying
8n2 + 77n + -30 = 0

Reorder the terms:
-30 + 77n + 8n2 = 0

Solving
-30 + 77n + 8n2 = 0

Solving for variable 'n'.

Factor a trinomial.
(-10 + -1n)(3 + -8n) = 0

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

Simplifying
-10 + -1n = 0

Solving
-10 + -1n = 0

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

Add '10' to each side of the equation.
-10 + 10 + -1n = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -1n = 0 + 10
-1n = 0 + 10

Combine like terms: 0 + 10 = 10
-1n = 10

Divide each side by '-1'.
n = -10

Simplifying
n = -10
Subproblem 2
Set the factor '(3 + -8n)' equal to zero and attempt to solve:

Simplifying
3 + -8n = 0

Solving
3 + -8n = 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 + -8n = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -8n = 0 + -3
-8n = 0 + -3

Combine like terms: 0 + -3 = -3
-8n = -3

Divide each side by '-8'.
n = 0.375

Simplifying
n = 0.375
Solution
n = {-10, 0.375}