2x^2+11x-4-13x^2=

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Solution for 2x^2+11x-4-13x^2= equation:


Simplifying
2x2 + 11x + -4 + -13x2 = 0

Reorder the terms:
-4 + 11x + 2x2 + -13x2 = 0

Combine like terms: 2x2 + -13x2 = -11x2
-4 + 11x + -11x2 = 0

Solving
-4 + 11x + -11x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-11 the coefficient of the squared term: 

Divide each side by '-11'.
0.3636363636 + -1x + x2 = 0

Move the constant term to the right:

Add '-0.3636363636' to each side of the equation.
0.3636363636 + -1x + -0.3636363636 + x2 = 0 + -0.3636363636

Reorder the terms:
0.3636363636 + -0.3636363636 + -1x + x2 = 0 + -0.3636363636

Combine like terms: 0.3636363636 + -0.3636363636 = 0.0000000000
0.0000000000 + -1x + x2 = 0 + -0.3636363636
-1x + x2 = 0 + -0.3636363636

Combine like terms: 0 + -0.3636363636 = -0.3636363636
-1x + x2 = -0.3636363636

The x term is -1x.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = -0.3636363636 + 0.25

Reorder the terms:
0.25 + -1x + x2 = -0.3636363636 + 0.25

Combine like terms: -0.3636363636 + 0.25 = -0.1136363636
0.25 + -1x + x2 = -0.1136363636

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = -0.1136363636

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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