x^2+x+40=

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Solution for x^2+x+40= equation:


Simplifying
x2 + x + 40 = 0

Reorder the terms:
40 + x + x2 = 0

Solving
40 + x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-40' to each side of the equation.
40 + x + -40 + x2 = 0 + -40

Reorder the terms:
40 + -40 + x + x2 = 0 + -40

Combine like terms: 40 + -40 = 0
0 + x + x2 = 0 + -40
x + x2 = 0 + -40

Combine like terms: 0 + -40 = -40
x + x2 = -40

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
x + 0.25 + x2 = -40 + 0.25

Reorder the terms:
0.25 + x + x2 = -40 + 0.25

Combine like terms: -40 + 0.25 = -39.75
0.25 + x + x2 = -39.75

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = -39.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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