3X^2+6X+7=0

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Solution for 3X^2+6X+7=0 equation:


Simplifying
3X2 + 6X + 7 = 0

Reorder the terms:
7 + 6X + 3X2 = 0

Solving
7 + 6X + 3X2 = 0

Solving for variable 'X'.

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

Divide each side by '3'.
2.333333333 + 2X + X2 = 0

Move the constant term to the right:

Add '-2.333333333' to each side of the equation.
2.333333333 + 2X + -2.333333333 + X2 = 0 + -2.333333333

Reorder the terms:
2.333333333 + -2.333333333 + 2X + X2 = 0 + -2.333333333

Combine like terms: 2.333333333 + -2.333333333 = 0.000000000
0.000000000 + 2X + X2 = 0 + -2.333333333
2X + X2 = 0 + -2.333333333

Combine like terms: 0 + -2.333333333 = -2.333333333
2X + X2 = -2.333333333

The X term is 2X.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2X + 1 + X2 = -2.333333333 + 1

Reorder the terms:
1 + 2X + X2 = -2.333333333 + 1

Combine like terms: -2.333333333 + 1 = -1.333333333
1 + 2X + X2 = -1.333333333

Factor a perfect square on the left side:
(X + 1)(X + 1) = -1.333333333

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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