-n(7n-9)=0

Solution for -n(7n-9)=0 equation:

Simplifying
-1n(7n + -9) = 0

Reorder the terms:
-1n(-9 + 7n) = 0
(-9 * -1n + 7n * -1n) = 0
(9n + -7n2) = 0

Solving
9n + -7n2 = 0

Solving for variable 'n'.

Factor out the Greatest Common Factor (GCF), 'n'.
n(9 + -7n) = 0

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 '(9 + -7n)' equal to zero and attempt to solve:

Simplifying
9 + -7n = 0

Solving
9 + -7n = 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 + -7n = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -7n = 0 + -9
-7n = 0 + -9

Combine like terms: 0 + -9 = -9
-7n = -9

Divide each side by '-7'.
n = 1.285714286

Simplifying
n = 1.285714286
Solution
n = {0, 1.285714286}