g^2+6g+4=0

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Solution for g^2+6g+4=0 equation:


Simplifying
g2 + 6g + 4 = 0

Reorder the terms:
4 + 6g + g2 = 0

Solving
4 + 6g + g2 = 0

Solving for variable 'g'.

Begin completing the square.

Move the constant term to the right:

Add '-4' to each side of the equation.
4 + 6g + -4 + g2 = 0 + -4

Reorder the terms:
4 + -4 + 6g + g2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 6g + g2 = 0 + -4
6g + g2 = 0 + -4

Combine like terms: 0 + -4 = -4
6g + g2 = -4

The g term is 6g.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6g + 9 + g2 = -4 + 9

Reorder the terms:
9 + 6g + g2 = -4 + 9

Combine like terms: -4 + 9 = 5
9 + 6g + g2 = 5

Factor a perfect square on the left side:
(g + 3)(g + 3) = 5

Calculate the square root of the right side: 2.236067978

Break this problem into two subproblems by setting 
(g + 3) equal to 2.236067978 and -2.236067978.

Subproblem 1

g + 3 = 2.236067978 Simplifying g + 3 = 2.236067978 Reorder the terms: 3 + g = 2.236067978 Solving 3 + g = 2.236067978 Solving for variable 'g'. Move all terms containing g to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + g = 2.236067978 + -3 Combine like terms: 3 + -3 = 0 0 + g = 2.236067978 + -3 g = 2.236067978 + -3 Combine like terms: 2.236067978 + -3 = -0.763932022 g = -0.763932022 Simplifying g = -0.763932022

Subproblem 2

g + 3 = -2.236067978 Simplifying g + 3 = -2.236067978 Reorder the terms: 3 + g = -2.236067978 Solving 3 + g = -2.236067978 Solving for variable 'g'. Move all terms containing g to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + g = -2.236067978 + -3 Combine like terms: 3 + -3 = 0 0 + g = -2.236067978 + -3 g = -2.236067978 + -3 Combine like terms: -2.236067978 + -3 = -5.236067978 g = -5.236067978 Simplifying g = -5.236067978

Solution

The solution to the problem is based on the solutions from the subproblems. g = {-0.763932022, -5.236067978}

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