x^2-5x+31=0

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Solution for x^2-5x+31=0 equation:


Simplifying
x2 + -5x + 31 = 0

Reorder the terms:
31 + -5x + x2 = 0

Solving
31 + -5x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-31' to each side of the equation.
31 + -5x + -31 + x2 = 0 + -31

Reorder the terms:
31 + -31 + -5x + x2 = 0 + -31

Combine like terms: 31 + -31 = 0
0 + -5x + x2 = 0 + -31
-5x + x2 = 0 + -31

Combine like terms: 0 + -31 = -31
-5x + x2 = -31

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 = -31 + 6.25

Reorder the terms:
6.25 + -5x + x2 = -31 + 6.25

Combine like terms: -31 + 6.25 = -24.75
6.25 + -5x + x2 = -24.75

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = -24.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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