F*F-F=6

Solution for F*F-F=6 equation:

Simplifying
F * F + -1F = 6

Multiply F * F
F2 + -1F = 6

Reorder the terms:
-1F + F2 = 6

Solving
-1F + F2 = 6

Solving for variable 'F'.

Reorder the terms:
-6 + -1F + F2 = 6 + -6

Combine like terms: 6 + -6 = 0
-6 + -1F + F2 = 0

Factor a trinomial.
(-2 + -1F)(3 + -1F) = 0

Subproblem 1
Set the factor '(-2 + -1F)' equal to zero and attempt to solve:

Simplifying
-2 + -1F = 0

Solving
-2 + -1F = 0

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

Add '2' to each side of the equation.
-2 + 2 + -1F = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -1F = 0 + 2
-1F = 0 + 2

Combine like terms: 0 + 2 = 2
-1F = 2

Divide each side by '-1'.
F = -2

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

Simplifying
3 + -1F = 0

Solving
3 + -1F = 0

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

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

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

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

Divide each side by '-1'.
F = 3

Simplifying
F = 3
Solution
F = {-2, 3}