x^2+4x=-22

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Solution for x^2+4x=-22 equation:


Simplifying
x2 + 4x = -22

Reorder the terms:
4x + x2 = -22

Solving
4x + x2 = -22

Solving for variable 'x'.

Reorder the terms:
22 + 4x + x2 = -22 + 22

Combine like terms: -22 + 22 = 0
22 + 4x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-22' to each side of the equation.
22 + 4x + -22 + x2 = 0 + -22

Reorder the terms:
22 + -22 + 4x + x2 = 0 + -22

Combine like terms: 22 + -22 = 0
0 + 4x + x2 = 0 + -22
4x + x2 = 0 + -22

Combine like terms: 0 + -22 = -22
4x + x2 = -22

The x term is 4x.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4x + 4 + x2 = -22 + 4

Reorder the terms:
4 + 4x + x2 = -22 + 4

Combine like terms: -22 + 4 = -18
4 + 4x + x2 = -18

Factor a perfect square on the left side:
(x + 2)(x + 2) = -18

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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