x^2+10x+31=0

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Solution for x^2+10x+31=0 equation:


Simplifying
x2 + 10x + 31 = 0

Reorder the terms:
31 + 10x + x2 = 0

Solving
31 + 10x + 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 + 10x + -31 + x2 = 0 + -31

Reorder the terms:
31 + -31 + 10x + x2 = 0 + -31

Combine like terms: 31 + -31 = 0
0 + 10x + x2 = 0 + -31
10x + x2 = 0 + -31

Combine like terms: 0 + -31 = -31
10x + x2 = -31

The x term is 10x.  Take half its coefficient (5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
10x + 25 + x2 = -31 + 25

Reorder the terms:
25 + 10x + x2 = -31 + 25

Combine like terms: -31 + 25 = -6
25 + 10x + x2 = -6

Factor a perfect square on the left side:
(x + 5)(x + 5) = -6

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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