3x^2+6x+77=0

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Solution for 3x^2+6x+77=0 equation:


Simplifying
3x2 + 6x + 77 = 0

Reorder the terms:
77 + 6x + 3x2 = 0

Solving
77 + 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'.
25.66666667 + 2x + x2 = 0

Move the constant term to the right:

Add '-25.66666667' to each side of the equation.
25.66666667 + 2x + -25.66666667 + x2 = 0 + -25.66666667

Reorder the terms:
25.66666667 + -25.66666667 + 2x + x2 = 0 + -25.66666667

Combine like terms: 25.66666667 + -25.66666667 = 0.00000000
0.00000000 + 2x + x2 = 0 + -25.66666667
2x + x2 = 0 + -25.66666667

Combine like terms: 0 + -25.66666667 = -25.66666667
2x + x2 = -25.66666667

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 = -25.66666667 + 1

Reorder the terms:
1 + 2x + x2 = -25.66666667 + 1

Combine like terms: -25.66666667 + 1 = -24.66666667
1 + 2x + x2 = -24.66666667

Factor a perfect square on the left side:
(x + 1)(x + 1) = -24.66666667

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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