c^2+2c+5=0

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Solution for c^2+2c+5=0 equation:


Simplifying
c2 + 2c + 5 = 0

Reorder the terms:
5 + 2c + c2 = 0

Solving
5 + 2c + c2 = 0

Solving for variable 'c'.

Begin completing the square.

Move the constant term to the right:

Add '-5' to each side of the equation.
5 + 2c + -5 + c2 = 0 + -5

Reorder the terms:
5 + -5 + 2c + c2 = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 2c + c2 = 0 + -5
2c + c2 = 0 + -5

Combine like terms: 0 + -5 = -5
2c + c2 = -5

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

Add '1' to each side of the equation.
2c + 1 + c2 = -5 + 1

Reorder the terms:
1 + 2c + c2 = -5 + 1

Combine like terms: -5 + 1 = -4
1 + 2c + c2 = -4

Factor a perfect square on the left side:
(c + 1)(c + 1) = -4

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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