-11x^2+4x-15=0

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Solution for -11x^2+4x-15=0 equation:


Simplifying
-11x2 + 4x + -15 = 0

Reorder the terms:
-15 + 4x + -11x2 = 0

Solving
-15 + 4x + -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'.
1.363636364 + -0.3636363636x + x2 = 0

Move the constant term to the right:

Add '-1.363636364' to each side of the equation.
1.363636364 + -0.3636363636x + -1.363636364 + x2 = 0 + -1.363636364

Reorder the terms:
1.363636364 + -1.363636364 + -0.3636363636x + x2 = 0 + -1.363636364

Combine like terms: 1.363636364 + -1.363636364 = 0.000000000
0.000000000 + -0.3636363636x + x2 = 0 + -1.363636364
-0.3636363636x + x2 = 0 + -1.363636364

Combine like terms: 0 + -1.363636364 = -1.363636364
-0.3636363636x + x2 = -1.363636364

The x term is -0.3636363636x.  Take half its coefficient (-0.1818181818).
Square it (0.03305785123) and add it to both sides.

Add '0.03305785123' to each side of the equation.
-0.3636363636x + 0.03305785123 + x2 = -1.363636364 + 0.03305785123

Reorder the terms:
0.03305785123 + -0.3636363636x + x2 = -1.363636364 + 0.03305785123

Combine like terms: -1.363636364 + 0.03305785123 = -1.33057851277
0.03305785123 + -0.3636363636x + x2 = -1.33057851277

Factor a perfect square on the left side:
(x + -0.1818181818)(x + -0.1818181818) = -1.33057851277

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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