0=x^2-5x+6.67

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Solution for 0=x^2-5x+6.67 equation:


Simplifying
0 = x2 + -5x + 6.67

Reorder the terms:
0 = 6.67 + -5x + x2

Solving
0 = 6.67 + -5x + x2

Solving for variable 'x'.

Combine like terms: 0 + -6.67 = -6.67
-6.67 + 5x + -1x2 = 6.67 + -5x + x2 + -6.67 + 5x + -1x2

Reorder the terms:
-6.67 + 5x + -1x2 = 6.67 + -6.67 + -5x + 5x + x2 + -1x2

Combine like terms: 6.67 + -6.67 = 0.00
-6.67 + 5x + -1x2 = 0.00 + -5x + 5x + x2 + -1x2
-6.67 + 5x + -1x2 = -5x + 5x + x2 + -1x2

Combine like terms: -5x + 5x = 0
-6.67 + 5x + -1x2 = 0 + x2 + -1x2
-6.67 + 5x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-6.67 + 5x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
6.67 + -5x + x2 = 0

Move the constant term to the right:

Add '-6.67' to each side of the equation.
6.67 + -5x + -6.67 + x2 = 0 + -6.67

Reorder the terms:
6.67 + -6.67 + -5x + x2 = 0 + -6.67

Combine like terms: 6.67 + -6.67 = 0.00
0.00 + -5x + x2 = 0 + -6.67
-5x + x2 = 0 + -6.67

Combine like terms: 0 + -6.67 = -6.67
-5x + x2 = -6.67

The x term is -5x.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5x + 6.25 + x2 = -6.67 + 6.25

Reorder the terms:
6.25 + -5x + x2 = -6.67 + 6.25

Combine like terms: -6.67 + 6.25 = -0.42
6.25 + -5x + x2 = -0.42

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = -0.42

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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