15x^2+10x+551=0

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Solution for 15x^2+10x+551=0 equation:


Simplifying
15x2 + 10x + 551 = 0

Reorder the terms:
551 + 10x + 15x2 = 0

Solving
551 + 10x + 15x2 = 0

Solving for variable 'x'.

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

Divide each side by '15'.
36.73333333 + 0.6666666667x + x2 = 0

Move the constant term to the right:

Add '-36.73333333' to each side of the equation.
36.73333333 + 0.6666666667x + -36.73333333 + x2 = 0 + -36.73333333

Reorder the terms:
36.73333333 + -36.73333333 + 0.6666666667x + x2 = 0 + -36.73333333

Combine like terms: 36.73333333 + -36.73333333 = 0.00000000
0.00000000 + 0.6666666667x + x2 = 0 + -36.73333333
0.6666666667x + x2 = 0 + -36.73333333

Combine like terms: 0 + -36.73333333 = -36.73333333
0.6666666667x + x2 = -36.73333333

The x term is 0.6666666667x.  Take half its coefficient (0.3333333334).
Square it (0.1111111112) and add it to both sides.

Add '0.1111111112' to each side of the equation.
0.6666666667x + 0.1111111112 + x2 = -36.73333333 + 0.1111111112

Reorder the terms:
0.1111111112 + 0.6666666667x + x2 = -36.73333333 + 0.1111111112

Combine like terms: -36.73333333 + 0.1111111112 = -36.6222222188
0.1111111112 + 0.6666666667x + x2 = -36.6222222188

Factor a perfect square on the left side:
(x + 0.3333333334)(x + 0.3333333334) = -36.6222222188

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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