-7n^2-n=0

Solution for -7n^2-n=0 equation:

Simplifying
-7n2 + -1n = 0

Reorder the terms:
-1n + -7n2 = 0

Solving
-1n + -7n2 = 0

Solving for variable 'n'.

Factor out the Greatest Common Factor (GCF), '-1n'.
-1n(1 + 7n) = 0

Ignore the factor -1.
Subproblem 1
Set the factor 'n' equal to zero and attempt to solve:

Simplifying
n = 0

Solving
n = 0

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

Simplifying
n = 0
Subproblem 2
Set the factor '(1 + 7n)' equal to zero and attempt to solve:

Simplifying
1 + 7n = 0

Solving
1 + 7n = 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 + 7n = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 7n = 0 + -1
7n = 0 + -1

Combine like terms: 0 + -1 = -1
7n = -1

Divide each side by '7'.
n = -0.1428571429

Simplifying
n = -0.1428571429
Solution
n = {0, -0.1428571429}