9x^2-15x+11=0

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Solution for 9x^2-15x+11=0 equation:


Simplifying
9x2 + -15x + 11 = 0

Reorder the terms:
11 + -15x + 9x2 = 0

Solving
11 + -15x + 9x2 = 0

Solving for variable 'x'.

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

Divide each side by '9'.
1.222222222 + -1.666666667x + x2 = 0

Move the constant term to the right:

Add '-1.222222222' to each side of the equation.
1.222222222 + -1.666666667x + -1.222222222 + x2 = 0 + -1.222222222

Reorder the terms:
1.222222222 + -1.222222222 + -1.666666667x + x2 = 0 + -1.222222222

Combine like terms: 1.222222222 + -1.222222222 = 0.000000000
0.000000000 + -1.666666667x + x2 = 0 + -1.222222222
-1.666666667x + x2 = 0 + -1.222222222

Combine like terms: 0 + -1.222222222 = -1.222222222
-1.666666667x + x2 = -1.222222222

The x term is -1.666666667x.  Take half its coefficient (-0.8333333335).
Square it (0.6944444447) and add it to both sides.

Add '0.6944444447' to each side of the equation.
-1.666666667x + 0.6944444447 + x2 = -1.222222222 + 0.6944444447

Reorder the terms:
0.6944444447 + -1.666666667x + x2 = -1.222222222 + 0.6944444447

Combine like terms: -1.222222222 + 0.6944444447 = -0.5277777773
0.6944444447 + -1.666666667x + x2 = -0.5277777773

Factor a perfect square on the left side:
(x + -0.8333333335)(x + -0.8333333335) = -0.5277777773

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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