9x^2+6x+1=-4

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Solution for 9x^2+6x+1=-4 equation:


Simplifying
9x2 + 6x + 1 = -4

Reorder the terms:
1 + 6x + 9x2 = -4

Solving
1 + 6x + 9x2 = -4

Solving for variable 'x'.

Reorder the terms:
1 + 4 + 6x + 9x2 = -4 + 4

Combine like terms: 1 + 4 = 5
5 + 6x + 9x2 = -4 + 4

Combine like terms: -4 + 4 = 0
5 + 6x + 9x2 = 0

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

Divide each side by '9'.
0.5555555556 + 0.6666666667x + x2 = 0

Move the constant term to the right:

Add '-0.5555555556' to each side of the equation.
0.5555555556 + 0.6666666667x + -0.5555555556 + x2 = 0 + -0.5555555556

Reorder the terms:
0.5555555556 + -0.5555555556 + 0.6666666667x + x2 = 0 + -0.5555555556

Combine like terms: 0.5555555556 + -0.5555555556 = 0.0000000000
0.0000000000 + 0.6666666667x + x2 = 0 + -0.5555555556
0.6666666667x + x2 = 0 + -0.5555555556

Combine like terms: 0 + -0.5555555556 = -0.5555555556
0.6666666667x + x2 = -0.5555555556

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 = -0.5555555556 + 0.1111111112

Reorder the terms:
0.1111111112 + 0.6666666667x + x2 = -0.5555555556 + 0.1111111112

Combine like terms: -0.5555555556 + 0.1111111112 = -0.4444444444
0.1111111112 + 0.6666666667x + x2 = -0.4444444444

Factor a perfect square on the left side:
(x + 0.3333333334)(x + 0.3333333334) = -0.4444444444

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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