40x^2+9x+106=0

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Solution for 40x^2+9x+106=0 equation:


Simplifying
40x2 + 9x + 106 = 0

Reorder the terms:
106 + 9x + 40x2 = 0

Solving
106 + 9x + 40x2 = 0

Solving for variable 'x'.

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

Divide each side by '40'.
2.65 + 0.225x + x2 = 0

Move the constant term to the right:

Add '-2.65' to each side of the equation.
2.65 + 0.225x + -2.65 + x2 = 0 + -2.65

Reorder the terms:
2.65 + -2.65 + 0.225x + x2 = 0 + -2.65

Combine like terms: 2.65 + -2.65 = 0.00
0.00 + 0.225x + x2 = 0 + -2.65
0.225x + x2 = 0 + -2.65

Combine like terms: 0 + -2.65 = -2.65
0.225x + x2 = -2.65

The x term is 0.225x.  Take half its coefficient (0.1125).
Square it (0.01265625) and add it to both sides.

Add '0.01265625' to each side of the equation.
0.225x + 0.01265625 + x2 = -2.65 + 0.01265625

Reorder the terms:
0.01265625 + 0.225x + x2 = -2.65 + 0.01265625

Combine like terms: -2.65 + 0.01265625 = -2.63734375
0.01265625 + 0.225x + x2 = -2.63734375

Factor a perfect square on the left side:
(x + 0.1125)(x + 0.1125) = -2.63734375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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