12x^2=-4x-7

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Solution for 12x^2=-4x-7 equation:


Simplifying
12x2 = -4x + -7

Reorder the terms:
12x2 = -7 + -4x

Solving
12x2 = -7 + -4x

Solving for variable 'x'.

Reorder the terms:
7 + 4x + 12x2 = -7 + -4x + 7 + 4x

Reorder the terms:
7 + 4x + 12x2 = -7 + 7 + -4x + 4x

Combine like terms: -7 + 7 = 0
7 + 4x + 12x2 = 0 + -4x + 4x
7 + 4x + 12x2 = -4x + 4x

Combine like terms: -4x + 4x = 0
7 + 4x + 12x2 = 0

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

Divide each side by '12'.
0.5833333333 + 0.3333333333x + x2 = 0

Move the constant term to the right:

Add '-0.5833333333' to each side of the equation.
0.5833333333 + 0.3333333333x + -0.5833333333 + x2 = 0 + -0.5833333333

Reorder the terms:
0.5833333333 + -0.5833333333 + 0.3333333333x + x2 = 0 + -0.5833333333

Combine like terms: 0.5833333333 + -0.5833333333 = 0.0000000000
0.0000000000 + 0.3333333333x + x2 = 0 + -0.5833333333
0.3333333333x + x2 = 0 + -0.5833333333

Combine like terms: 0 + -0.5833333333 = -0.5833333333
0.3333333333x + x2 = -0.5833333333

The x term is 0.3333333333x.  Take half its coefficient (0.1666666667).
Square it (0.02777777779) and add it to both sides.

Add '0.02777777779' to each side of the equation.
0.3333333333x + 0.02777777779 + x2 = -0.5833333333 + 0.02777777779

Reorder the terms:
0.02777777779 + 0.3333333333x + x2 = -0.5833333333 + 0.02777777779

Combine like terms: -0.5833333333 + 0.02777777779 = -0.55555555551
0.02777777779 + 0.3333333333x + x2 = -0.55555555551

Factor a perfect square on the left side:
(x + 0.1666666667)(x + 0.1666666667) = -0.55555555551

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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