18X^2+21X+22=0

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Solution for 18X^2+21X+22=0 equation:


Simplifying
18X2 + 21X + 22 = 0

Reorder the terms:
22 + 21X + 18X2 = 0

Solving
22 + 21X + 18X2 = 0

Solving for variable 'X'.

Begin completing the square.  Divide all terms by
18 the coefficient of the squared term: 

Divide each side by '18'.
1.222222222 + 1.166666667X + X2 = 0

Move the constant term to the right:

Add '-1.222222222' to each side of the equation.
1.222222222 + 1.166666667X + -1.222222222 + X2 = 0 + -1.222222222

Reorder the terms:
1.222222222 + -1.222222222 + 1.166666667X + X2 = 0 + -1.222222222

Combine like terms: 1.222222222 + -1.222222222 = 0.000000000
0.000000000 + 1.166666667X + X2 = 0 + -1.222222222
1.166666667X + X2 = 0 + -1.222222222

Combine like terms: 0 + -1.222222222 = -1.222222222
1.166666667X + X2 = -1.222222222

The X term is 1.166666667X.  Take half its coefficient (0.5833333335).
Square it (0.3402777780) and add it to both sides.

Add '0.3402777780' to each side of the equation.
1.166666667X + 0.3402777780 + X2 = -1.222222222 + 0.3402777780

Reorder the terms:
0.3402777780 + 1.166666667X + X2 = -1.222222222 + 0.3402777780

Combine like terms: -1.222222222 + 0.3402777780 = -0.881944444
0.3402777780 + 1.166666667X + X2 = -0.881944444

Factor a perfect square on the left side:
(X + 0.5833333335)(X + 0.5833333335) = -0.881944444

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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