-9f^2+6f-1=0

Solution for -9f^2+6f-1=0 equation:

Simplifying
-9f2 + 6f + -1 = 0

Reorder the terms:
-1 + 6f + -9f2 = 0

Solving
-1 + 6f + -9f2 = 0

Solving for variable 'f'.

Factor a trinomial.
(-1 + 3f)(1 + -3f) = 0

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

Simplifying
-1 + 3f = 0

Solving
-1 + 3f = 0

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

Add '1' to each side of the equation.
-1 + 1 + 3f = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 3f = 0 + 1
3f = 0 + 1

Combine like terms: 0 + 1 = 1
3f = 1

Divide each side by '3'.
f = 0.3333333333

Simplifying
f = 0.3333333333
Subproblem 2
Set the factor '(1 + -3f)' equal to zero and attempt to solve:

Simplifying
1 + -3f = 0

Solving
1 + -3f = 0

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

Add '-1' to each side of the equation.
1 + -1 + -3f = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -3f = 0 + -1
-3f = 0 + -1

Combine like terms: 0 + -1 = -1
-3f = -1

Divide each side by '-3'.
f = 0.3333333333

Simplifying
f = 0.3333333333
Solution
f = {0.3333333333, 0.3333333333}