x=x^2-14x+65

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Solution for x=x^2-14x+65 equation:


Simplifying
x = x2 + -14x + 65

Reorder the terms:
x = 65 + -14x + x2

Solving
x = 65 + -14x + x2

Solving for variable 'x'.

Reorder the terms:
-65 + x + 14x + -1x2 = 65 + -14x + x2 + -65 + 14x + -1x2

Combine like terms: x + 14x = 15x
-65 + 15x + -1x2 = 65 + -14x + x2 + -65 + 14x + -1x2

Reorder the terms:
-65 + 15x + -1x2 = 65 + -65 + -14x + 14x + x2 + -1x2

Combine like terms: 65 + -65 = 0
-65 + 15x + -1x2 = 0 + -14x + 14x + x2 + -1x2
-65 + 15x + -1x2 = -14x + 14x + x2 + -1x2

Combine like terms: -14x + 14x = 0
-65 + 15x + -1x2 = 0 + x2 + -1x2
-65 + 15x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-65 + 15x + -1x2 = 0

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

Divide each side by '-1'.
65 + -15x + x2 = 0

Move the constant term to the right:

Add '-65' to each side of the equation.
65 + -15x + -65 + x2 = 0 + -65

Reorder the terms:
65 + -65 + -15x + x2 = 0 + -65

Combine like terms: 65 + -65 = 0
0 + -15x + x2 = 0 + -65
-15x + x2 = 0 + -65

Combine like terms: 0 + -65 = -65
-15x + x2 = -65

The x term is -15x.  Take half its coefficient (-7.5).
Square it (56.25) and add it to both sides.

Add '56.25' to each side of the equation.
-15x + 56.25 + x2 = -65 + 56.25

Reorder the terms:
56.25 + -15x + x2 = -65 + 56.25

Combine like terms: -65 + 56.25 = -8.75
56.25 + -15x + x2 = -8.75

Factor a perfect square on the left side:
(x + -7.5)(x + -7.5) = -8.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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