3z^2+2z+4=0

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Solution for 3z^2+2z+4=0 equation:


Simplifying
3z2 + 2z + 4 = 0

Reorder the terms:
4 + 2z + 3z2 = 0

Solving
4 + 2z + 3z2 = 0

Solving for variable 'z'.

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

Divide each side by '3'.
1.333333333 + 0.6666666667z + z2 = 0

Move the constant term to the right:

Add '-1.333333333' to each side of the equation.
1.333333333 + 0.6666666667z + -1.333333333 + z2 = 0 + -1.333333333

Reorder the terms:
1.333333333 + -1.333333333 + 0.6666666667z + z2 = 0 + -1.333333333

Combine like terms: 1.333333333 + -1.333333333 = 0.000000000
0.000000000 + 0.6666666667z + z2 = 0 + -1.333333333
0.6666666667z + z2 = 0 + -1.333333333

Combine like terms: 0 + -1.333333333 = -1.333333333
0.6666666667z + z2 = -1.333333333

The z term is 0.6666666667z.  Take half its coefficient (0.3333333334).
Square it (0.1111111112) and add it to both sides.

Add '0.1111111112' to each side of the equation.
0.6666666667z + 0.1111111112 + z2 = -1.333333333 + 0.1111111112

Reorder the terms:
0.1111111112 + 0.6666666667z + z2 = -1.333333333 + 0.1111111112

Combine like terms: -1.333333333 + 0.1111111112 = -1.2222222218
0.1111111112 + 0.6666666667z + z2 = -1.2222222218

Factor a perfect square on the left side:
(z + 0.3333333334)(z + 0.3333333334) = -1.2222222218

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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