2x^2+19-8=x

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Solution for 2x^2+19-8=x equation:


Simplifying
2x2 + 19 + -8 = x

Reorder the terms:
19 + -8 + 2x2 = x

Combine like terms: 19 + -8 = 11
11 + 2x2 = x

Solving
11 + 2x2 = x

Solving for variable 'x'.

Reorder the terms:
11 + -1x + 2x2 = x + -1x

Combine like terms: x + -1x = 0
11 + -1x + 2x2 = 0

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

Divide each side by '2'.
5.5 + -0.5x + x2 = 0

Move the constant term to the right:

Add '-5.5' to each side of the equation.
5.5 + -0.5x + -5.5 + x2 = 0 + -5.5

Reorder the terms:
5.5 + -5.5 + -0.5x + x2 = 0 + -5.5

Combine like terms: 5.5 + -5.5 = 0.0
0.0 + -0.5x + x2 = 0 + -5.5
-0.5x + x2 = 0 + -5.5

Combine like terms: 0 + -5.5 = -5.5
-0.5x + x2 = -5.5

The x term is -0.5x.  Take half its coefficient (-0.25).
Square it (0.0625) and add it to both sides.

Add '0.0625' to each side of the equation.
-0.5x + 0.0625 + x2 = -5.5 + 0.0625

Reorder the terms:
0.0625 + -0.5x + x2 = -5.5 + 0.0625

Combine like terms: -5.5 + 0.0625 = -5.4375
0.0625 + -0.5x + x2 = -5.4375

Factor a perfect square on the left side:
(x + -0.25)(x + -0.25) = -5.4375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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