-2x^2+6+8x-12-17x^2=

Solution for -2x^2+6+8x-12-17x^2= equation:

Simplifying
-2x2 + 6 + 8x + -12 + -17x2 = 0

Reorder the terms:
6 + -12 + 8x + -2x2 + -17x2 = 0

Combine like terms: 6 + -12 = -6
-6 + 8x + -2x2 + -17x2 = 0

Combine like terms: -2x2 + -17x2 = -19x2
-6 + 8x + -19x2 = 0

Solving
-6 + 8x + -19x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-19 the coefficient of the squared term: 

Divide each side by '-19'.
0.3157894737 + -0.4210526316x + x2 = 0

Move the constant term to the right:

Add '-0.3157894737' to each side of the equation.
0.3157894737 + -0.4210526316x + -0.3157894737 + x2 = 0 + -0.3157894737

Reorder the terms:
0.3157894737 + -0.3157894737 + -0.4210526316x + x2 = 0 + -0.3157894737

Combine like terms: 0.3157894737 + -0.3157894737 = 0.0000000000
0.0000000000 + -0.4210526316x + x2 = 0 + -0.3157894737
-0.4210526316x + x2 = 0 + -0.3157894737

Combine like terms: 0 + -0.3157894737 = -0.3157894737
-0.4210526316x + x2 = -0.3157894737

The x term is -0.4210526316x.  Take half its coefficient (-0.2105263158).
Square it (0.04432132964) and add it to both sides.

Add '0.04432132964' to each side of the equation.
-0.4210526316x + 0.04432132964 + x2 = -0.3157894737 + 0.04432132964

Reorder the terms:
0.04432132964 + -0.4210526316x + x2 = -0.3157894737 + 0.04432132964

Combine like terms: -0.3157894737 + 0.04432132964 = -0.27146814406
0.04432132964 + -0.4210526316x + x2 = -0.27146814406

Factor a perfect square on the left side:
(x + -0.2105263158)(x + -0.2105263158) = -0.27146814406

Can't calculate square root of the right side.

The solution to this equation could not be determined.