26x^2+26x+9=0

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Solution for 26x^2+26x+9=0 equation:


Simplifying
26x2 + 26x + 9 = 0

Reorder the terms:
9 + 26x + 26x2 = 0

Solving
9 + 26x + 26x2 = 0

Solving for variable 'x'.

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

Divide each side by '26'.
0.3461538462 + x + x2 = 0

Move the constant term to the right:

Add '-0.3461538462' to each side of the equation.
0.3461538462 + x + -0.3461538462 + x2 = 0 + -0.3461538462

Reorder the terms:
0.3461538462 + -0.3461538462 + x + x2 = 0 + -0.3461538462

Combine like terms: 0.3461538462 + -0.3461538462 = 0.0000000000
0.0000000000 + x + x2 = 0 + -0.3461538462
x + x2 = 0 + -0.3461538462

Combine like terms: 0 + -0.3461538462 = -0.3461538462
x + x2 = -0.3461538462

The x term is x.  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.
 + 0.25 + x2 = -0.3461538462 + 0.25

Combine like terms:  + 0.25 = 1.25
1.25 + x2 = -0.3461538462 + 0.25

Combine like terms: -0.3461538462 + 0.25 = -0.0961538462
1.25 + x2 = -0.0961538462

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = -0.0961538462

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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