x^2+2x+225=0

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Solution for x^2+2x+225=0 equation:


Simplifying
x2 + 2x + 225 = 0

Reorder the terms:
225 + 2x + x2 = 0

Solving
225 + 2x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-225' to each side of the equation.
225 + 2x + -225 + x2 = 0 + -225

Reorder the terms:
225 + -225 + 2x + x2 = 0 + -225

Combine like terms: 225 + -225 = 0
0 + 2x + x2 = 0 + -225
2x + x2 = 0 + -225

Combine like terms: 0 + -225 = -225
2x + x2 = -225

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 = -225 + 1

Reorder the terms:
1 + 2x + x2 = -225 + 1

Combine like terms: -225 + 1 = -224
1 + 2x + x2 = -224

Factor a perfect square on the left side:
(x + 1)(x + 1) = -224

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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