x^2+2x+191=0

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Solution for x^2+2x+191=0 equation:


Simplifying
x2 + 2x + 191 = 0

Reorder the terms:
191 + 2x + x2 = 0

Solving
191 + 2x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-191' to each side of the equation.
191 + 2x + -191 + x2 = 0 + -191

Reorder the terms:
191 + -191 + 2x + x2 = 0 + -191

Combine like terms: 191 + -191 = 0
0 + 2x + x2 = 0 + -191
2x + x2 = 0 + -191

Combine like terms: 0 + -191 = -191
2x + x2 = -191

The x term is 2x.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2x + 1 + x2 = -191 + 1

Reorder the terms:
1 + 2x + x2 = -191 + 1

Combine like terms: -191 + 1 = -190
1 + 2x + x2 = -190

Factor a perfect square on the left side:
(x + 1)(x + 1) = -190

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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