13x^2+9x+28=

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Solution for 13x^2+9x+28= equation:


Simplifying
13x2 + 9x + 28 = 0

Reorder the terms:
28 + 9x + 13x2 = 0

Solving
28 + 9x + 13x2 = 0

Solving for variable 'x'.

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

Divide each side by '13'.
2.153846154 + 0.6923076923x + x2 = 0

Move the constant term to the right:

Add '-2.153846154' to each side of the equation.
2.153846154 + 0.6923076923x + -2.153846154 + x2 = 0 + -2.153846154

Reorder the terms:
2.153846154 + -2.153846154 + 0.6923076923x + x2 = 0 + -2.153846154

Combine like terms: 2.153846154 + -2.153846154 = 0.000000000
0.000000000 + 0.6923076923x + x2 = 0 + -2.153846154
0.6923076923x + x2 = 0 + -2.153846154

Combine like terms: 0 + -2.153846154 = -2.153846154
0.6923076923x + x2 = -2.153846154

The x term is 0.6923076923x.  Take half its coefficient (0.3461538462).
Square it (0.1198224852) and add it to both sides.

Add '0.1198224852' to each side of the equation.
0.6923076923x + 0.1198224852 + x2 = -2.153846154 + 0.1198224852

Reorder the terms:
0.1198224852 + 0.6923076923x + x2 = -2.153846154 + 0.1198224852

Combine like terms: -2.153846154 + 0.1198224852 = -2.0340236688
0.1198224852 + 0.6923076923x + x2 = -2.0340236688

Factor a perfect square on the left side:
(x + 0.3461538462)(x + 0.3461538462) = -2.0340236688

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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