21x^2-4x+22=

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Solution for 21x^2-4x+22= equation:


Simplifying
21x2 + -4x + 22 = 0

Reorder the terms:
22 + -4x + 21x2 = 0

Solving
22 + -4x + 21x2 = 0

Solving for variable 'x'.

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

Divide each side by '21'.
1.047619048 + -0.1904761905x + x2 = 0

Move the constant term to the right:

Add '-1.047619048' to each side of the equation.
1.047619048 + -0.1904761905x + -1.047619048 + x2 = 0 + -1.047619048

Reorder the terms:
1.047619048 + -1.047619048 + -0.1904761905x + x2 = 0 + -1.047619048

Combine like terms: 1.047619048 + -1.047619048 = 0.000000000
0.000000000 + -0.1904761905x + x2 = 0 + -1.047619048
-0.1904761905x + x2 = 0 + -1.047619048

Combine like terms: 0 + -1.047619048 = -1.047619048
-0.1904761905x + x2 = -1.047619048

The x term is -0.1904761905x.  Take half its coefficient (-0.09523809525).
Square it (0.009070294787) and add it to both sides.

Add '0.009070294787' to each side of the equation.
-0.1904761905x + 0.009070294787 + x2 = -1.047619048 + 0.009070294787

Reorder the terms:
0.009070294787 + -0.1904761905x + x2 = -1.047619048 + 0.009070294787

Combine like terms: -1.047619048 + 0.009070294787 = -1.038548753213
0.009070294787 + -0.1904761905x + x2 = -1.038548753213

Factor a perfect square on the left side:
(x + -0.09523809525)(x + -0.09523809525) = -1.038548753213

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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