F^2-6F+18=0

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Solution for F^2-6F+18=0 equation: 


Simplifying
F2 + -6F + 18 = 0

Reorder the terms:
18 + -6F + F2 = 0

Solving
18 + -6F + F2 = 0

Solving for variable 'F'.

Begin completing the square.

Move the constant term to the right:

Add '-18' to each side of the equation.
18 + -6F + -18 + F2 = 0 + -18

Reorder the terms:
18 + -18 + -6F + F2 = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -6F + F2 = 0 + -18
-6F + F2 = 0 + -18

Combine like terms: 0 + -18 = -18
-6F + F2 = -18

The F term is -6F.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6F + 9 + F2 = -18 + 9

Reorder the terms:
9 + -6F + F2 = -18 + 9

Combine like terms: -18 + 9 = -9
9 + -6F + F2 = -9

Factor a perfect square on the left side:
(F + -3)(F + -3) = -9

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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