3x^2+3x=-4

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Solution for 3x^2+3x=-4 equation:


Simplifying
3x2 + 3x = -4

Reorder the terms:
3x + 3x2 = -4

Solving
3x + 3x2 = -4

Solving for variable 'x'.

Reorder the terms:
4 + 3x + 3x2 = -4 + 4

Combine like terms: -4 + 4 = 0
4 + 3x + 3x2 = 0

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

Divide each side by '3'.
1.333333333 + x + x2 = 0

Move the constant term to the right:

Add '-1.333333333' to each side of the equation.
1.333333333 + x + -1.333333333 + x2 = 0 + -1.333333333

Reorder the terms:
1.333333333 + -1.333333333 + x + x2 = 0 + -1.333333333

Combine like terms: 1.333333333 + -1.333333333 = 0.000000000
0.000000000 + x + x2 = 0 + -1.333333333
x + x2 = 0 + -1.333333333

Combine like terms: 0 + -1.333333333 = -1.333333333
x + x2 = -1.333333333

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
 + 0.25 + x2 = -1.333333333 + 0.25

Combine like terms:  + 0.25 = 1.25
1.25 + x2 = -1.333333333 + 0.25

Combine like terms: -1.333333333 + 0.25 = -1.083333333
1.25 + x2 = -1.083333333

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = -1.083333333

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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