2g^2-20g+14=0

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Solution for 2g^2-20g+14=0 equation: 


Simplifying
2g2 + -20g + 14 = 0

Reorder the terms:
14 + -20g + 2g2 = 0

Solving
14 + -20g + 2g2 = 0

Solving for variable 'g'.

Factor out the Greatest Common Factor (GCF), '2'.
2(7 + -10g + g2) = 0

Ignore the factor 2.

Subproblem 1
Set the factor '(7 + -10g + g2)' equal to zero and attempt to solve:

Simplifying
7 + -10g + g2 = 0

Solving
7 + -10g + g2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-7' to each side of the equation.
7 + -10g + -7 + g2 = 0 + -7

Reorder the terms:
7 + -7 + -10g + g2 = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -10g + g2 = 0 + -7
-10g + g2 = 0 + -7

Combine like terms: 0 + -7 = -7
-10g + g2 = -7

The g term is -10g.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10g + 25 + g2 = -7 + 25

Reorder the terms:
25 + -10g + g2 = -7 + 25

Combine like terms: -7 + 25 = 18
25 + -10g + g2 = 18

Factor a perfect square on the left side:
(g + -5)(g + -5) = 18

Calculate the square root of the right side: 4.242640687

Break this problem into two subproblems by setting 
(g + -5) equal to 4.242640687 and -4.242640687.


Subproblem 1
g + -5 = 4.242640687

Simplifying
g + -5 = 4.242640687

Reorder the terms:
-5 + g = 4.242640687

Solving
-5 + g = 4.242640687

Solving for variable 'g'.

Move all terms containing g to the left, all other terms to the right.

Add '5' to each side of the equation.
-5 + 5 + g = 4.242640687 + 5

Combine like terms: -5 + 5 = 0
0 + g = 4.242640687 + 5
g = 4.242640687 + 5

Combine like terms: 4.242640687 + 5 = 9.242640687
g = 9.242640687

Simplifying
g = 9.242640687


Subproblem 2
g + -5 = -4.242640687

Simplifying
g + -5 = -4.242640687

Reorder the terms:
-5 + g = -4.242640687

Solving
-5 + g = -4.242640687

Solving for variable 'g'.

Move all terms containing g to the left, all other terms to the right.

Add '5' to each side of the equation.
-5 + 5 + g = -4.242640687 + 5

Combine like terms: -5 + 5 = 0
0 + g = -4.242640687 + 5
g = -4.242640687 + 5

Combine like terms: -4.242640687 + 5 = 0.757359313
g = 0.757359313

Simplifying
g = 0.757359313


Solution
The solution to the problem is based on the solutions
from the subproblems.
g = {9.242640687, 0.757359313}
Solution
g = {9.242640687, 0.757359313}

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