g^2+7g+12.25=0

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Solution for g^2+7g+12.25=0 equation:


Simplifying
g2 + 7g + 12.25 = 0

Reorder the terms:
12.25 + 7g + g2 = 0

Solving
12.25 + 7g + g2 = 0

Solving for variable 'g'.

Begin completing the square.

Move the constant term to the right:

Add '-12.25' to each side of the equation.
12.25 + 7g + -12.25 + g2 = 0 + -12.25

Reorder the terms:
12.25 + -12.25 + 7g + g2 = 0 + -12.25

Combine like terms: 12.25 + -12.25 = 0.00
0.00 + 7g + g2 = 0 + -12.25
7g + g2 = 0 + -12.25

Combine like terms: 0 + -12.25 = -12.25
7g + g2 = -12.25

The g term is 7g.  Take half its coefficient (3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
7g + 12.25 + g2 = -12.25 + 12.25

Reorder the terms:
12.25 + 7g + g2 = -12.25 + 12.25

Combine like terms: -12.25 + 12.25 = 0.00
12.25 + 7g + g2 = 0.00

Factor a perfect square on the left side:
(g + 3.5)(g + 3.5) = 0.00

Calculate the square root of the right side: 0.00

Break this problem into two subproblems by setting 
(g + 3.5) equal to 0.00 and 0.00.

Subproblem 1

g + 3.5 = 0.00 Simplifying g + 3.5 = 0.00 Reorder the terms: 3.5 + g = 0.00 Solving 3.5 + g = 0.00 Solving for variable 'g'. Move all terms containing g to the left, all other terms to the right. Add '-3.5' to each side of the equation. 3.5 + -3.5 + g = 0.00 + -3.5 Combine like terms: 3.5 + -3.5 = 0.0 0.0 + g = 0.00 + -3.5 g = 0.00 + -3.5 Combine like terms: 0.00 + -3.5 = -3.5 g = -3.5 Simplifying g = -3.5

Subproblem 2

g + 3.5 = 0.00 Simplifying g + 3.5 = 0.00 Reorder the terms: 3.5 + g = 0.00 Solving 3.5 + g = 0.00 Solving for variable 'g'. Move all terms containing g to the left, all other terms to the right. Add '-3.5' to each side of the equation. 3.5 + -3.5 + g = 0.00 + -3.5 Combine like terms: 3.5 + -3.5 = 0.0 0.0 + g = 0.00 + -3.5 g = 0.00 + -3.5 Combine like terms: 0.00 + -3.5 = -3.5 g = -3.5 Simplifying g = -3.5

Solution

The solution to the problem is based on the solutions from the subproblems. g = {-3.5, -3.5}

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