X^2+3X+222=0

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Solution for X^2+3X+222=0 equation:


Simplifying
X2 + 3X + 222 = 0

Reorder the terms:
222 + 3X + X2 = 0

Solving
222 + 3X + X2 = 0

Solving for variable 'X'.

Begin completing the square.

Move the constant term to the right:

Add '-222' to each side of the equation.
222 + 3X + -222 + X2 = 0 + -222

Reorder the terms:
222 + -222 + 3X + X2 = 0 + -222

Combine like terms: 222 + -222 = 0
0 + 3X + X2 = 0 + -222
3X + X2 = 0 + -222

Combine like terms: 0 + -222 = -222
3X + X2 = -222

The X term is 3X.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3X + 2.25 + X2 = -222 + 2.25

Reorder the terms:
2.25 + 3X + X2 = -222 + 2.25

Combine like terms: -222 + 2.25 = -219.75
2.25 + 3X + X2 = -219.75

Factor a perfect square on the left side:
(X + 1.5)(X + 1.5) = -219.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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