-4x^2+9x-19=0

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Solution for -4x^2+9x-19=0 equation:


Simplifying
-4x2 + 9x + -19 = 0

Reorder the terms:
-19 + 9x + -4x2 = 0

Solving
-19 + 9x + -4x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-4 the coefficient of the squared term: 

Divide each side by '-4'.
4.75 + -2.25x + x2 = 0

Move the constant term to the right:

Add '-4.75' to each side of the equation.
4.75 + -2.25x + -4.75 + x2 = 0 + -4.75

Reorder the terms:
4.75 + -4.75 + -2.25x + x2 = 0 + -4.75

Combine like terms: 4.75 + -4.75 = 0.00
0.00 + -2.25x + x2 = 0 + -4.75
-2.25x + x2 = 0 + -4.75

Combine like terms: 0 + -4.75 = -4.75
-2.25x + x2 = -4.75

The x term is -2.25x.  Take half its coefficient (-1.125).
Square it (1.265625) and add it to both sides.

Add '1.265625' to each side of the equation.
-2.25x + 1.265625 + x2 = -4.75 + 1.265625

Reorder the terms:
1.265625 + -2.25x + x2 = -4.75 + 1.265625

Combine like terms: -4.75 + 1.265625 = -3.484375
1.265625 + -2.25x + x2 = -3.484375

Factor a perfect square on the left side:
(x + -1.125)(x + -1.125) = -3.484375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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