(-4x^2-6)+(-2x^2+19x)=180

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Solution for (-4x^2-6)+(-2x^2+19x)=180 equation:


Simplifying
(-4x2 + -6) + (-2x2 + 19x) = 180

Reorder the terms:
(-6 + -4x2) + (-2x2 + 19x) = 180

Remove parenthesis around (-6 + -4x2)
-6 + -4x2 + (-2x2 + 19x) = 180

Reorder the terms:
-6 + -4x2 + (19x + -2x2) = 180

Remove parenthesis around (19x + -2x2)
-6 + -4x2 + 19x + -2x2 = 180

Reorder the terms:
-6 + 19x + -4x2 + -2x2 = 180

Combine like terms: -4x2 + -2x2 = -6x2
-6 + 19x + -6x2 = 180

Solving
-6 + 19x + -6x2 = 180

Solving for variable 'x'.

Reorder the terms:
-6 + -180 + 19x + -6x2 = 180 + -180

Combine like terms: -6 + -180 = -186
-186 + 19x + -6x2 = 180 + -180

Combine like terms: 180 + -180 = 0
-186 + 19x + -6x2 = 0

Begin completing the square.  Divide all terms by
-6 the coefficient of the squared term: 

Divide each side by '-6'.
31 + -3.166666667x + x2 = 0

Move the constant term to the right:

Add '-31' to each side of the equation.
31 + -3.166666667x + -31 + x2 = 0 + -31

Reorder the terms:
31 + -31 + -3.166666667x + x2 = 0 + -31

Combine like terms: 31 + -31 = 0
0 + -3.166666667x + x2 = 0 + -31
-3.166666667x + x2 = 0 + -31

Combine like terms: 0 + -31 = -31
-3.166666667x + x2 = -31

The x term is -3.166666667x.  Take half its coefficient (-1.583333334).
Square it (2.506944447) and add it to both sides.

Add '2.506944447' to each side of the equation.
-3.166666667x + 2.506944447 + x2 = -31 + 2.506944447

Reorder the terms:
2.506944447 + -3.166666667x + x2 = -31 + 2.506944447

Combine like terms: -31 + 2.506944447 = -28.493055553
2.506944447 + -3.166666667x + x2 = -28.493055553

Factor a perfect square on the left side:
(x + -1.583333334)(x + -1.583333334) = -28.493055553

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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