n^2+4n-64=-4

Solution for n^2+4n-64=-4 equation:

Simplifying
n2 + 4n + -64 = -4

Reorder the terms:
-64 + 4n + n2 = -4

Solving
-64 + 4n + n2 = -4

Solving for variable 'n'.

Reorder the terms:
-64 + 4 + 4n + n2 = -4 + 4

Combine like terms: -64 + 4 = -60
-60 + 4n + n2 = -4 + 4

Combine like terms: -4 + 4 = 0
-60 + 4n + n2 = 0

Factor a trinomial.
(-10 + -1n)(6 + -1n) = 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 '(6 + -1n)' equal to zero and attempt to solve:

Simplifying
6 + -1n = 0

Solving
6 + -1n = 0

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

Add '-6' to each side of the equation.
6 + -6 + -1n = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -1n = 0 + -6
-1n = 0 + -6

Combine like terms: 0 + -6 = -6
-1n = -6

Divide each side by '-1'.
n = 6

Simplifying
n = 6
Solution
n = {-10, 6}