12x^2+7x=-12

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


Simplifying
12x2 + 7x = -12

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

Solving
7x + 12x2 = -12

Solving for variable 'x'.

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

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

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

Divide each side by '12'.
1 + 0.5833333333x + x2 = 0

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + 0.5833333333x + -1 + x2 = 0 + -1

Reorder the terms:
1 + -1 + 0.5833333333x + x2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 0.5833333333x + x2 = 0 + -1
0.5833333333x + x2 = 0 + -1

Combine like terms: 0 + -1 = -1
0.5833333333x + x2 = -1

The x term is 0.5833333333x.  Take half its coefficient (0.2916666667).
Square it (0.08506944446) and add it to both sides.

Add '0.08506944446' to each side of the equation.
0.5833333333x + 0.08506944446 + x2 = -1 + 0.08506944446

Reorder the terms:
0.08506944446 + 0.5833333333x + x2 = -1 + 0.08506944446

Combine like terms: -1 + 0.08506944446 = -0.91493055554
0.08506944446 + 0.5833333333x + x2 = -0.91493055554

Factor a perfect square on the left side:
(x + 0.2916666667)(x + 0.2916666667) = -0.91493055554

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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