x^2+9x=-38

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Solution for x^2+9x=-38 equation:


Simplifying
x2 + 9x = -38

Reorder the terms:
9x + x2 = -38

Solving
9x + x2 = -38

Solving for variable 'x'.

Reorder the terms:
38 + 9x + x2 = -38 + 38

Combine like terms: -38 + 38 = 0
38 + 9x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-38' to each side of the equation.
38 + 9x + -38 + x2 = 0 + -38

Reorder the terms:
38 + -38 + 9x + x2 = 0 + -38

Combine like terms: 38 + -38 = 0
0 + 9x + x2 = 0 + -38
9x + x2 = 0 + -38

Combine like terms: 0 + -38 = -38
9x + x2 = -38

The x term is 9x.  Take half its coefficient (4.5).
Square it (20.25) and add it to both sides.

Add '20.25' to each side of the equation.
9x + 20.25 + x2 = -38 + 20.25

Reorder the terms:
20.25 + 9x + x2 = -38 + 20.25

Combine like terms: -38 + 20.25 = -17.75
20.25 + 9x + x2 = -17.75

Factor a perfect square on the left side:
(x + 4.5)(x + 4.5) = -17.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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