f^2-16f+15=0

Solution for f^2-16f+15=0 equation:

Simplifying
f2 + -16f + 15 = 0

Reorder the terms:
15 + -16f + f2 = 0

Solving
15 + -16f + f2 = 0

Solving for variable 'f'.

Factor a trinomial.
(1 + -1f)(15 + -1f) = 0

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

Simplifying
1 + -1f = 0

Solving
1 + -1f = 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 + -1f = 0 + -1

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

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

Divide each side by '-1'.
f = 1

Simplifying
f = 1
Subproblem 2
Set the factor '(15 + -1f)' equal to zero and attempt to solve:

Simplifying
15 + -1f = 0

Solving
15 + -1f = 0

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

Add '-15' to each side of the equation.
15 + -15 + -1f = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -1f = 0 + -15
-1f = 0 + -15

Combine like terms: 0 + -15 = -15
-1f = -15

Divide each side by '-1'.
f = 15

Simplifying
f = 15
Solution
f = {1, 15}