g^2-16g+22=0

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Solution for g^2-16g+22=0 equation:


Simplifying
g2 + -16g + 22 = 0

Reorder the terms:
22 + -16g + g2 = 0

Solving
22 + -16g + g2 = 0

Solving for variable 'g'.

Begin completing the square.

Move the constant term to the right:

Add '-22' to each side of the equation.
22 + -16g + -22 + g2 = 0 + -22

Reorder the terms:
22 + -22 + -16g + g2 = 0 + -22

Combine like terms: 22 + -22 = 0
0 + -16g + g2 = 0 + -22
-16g + g2 = 0 + -22

Combine like terms: 0 + -22 = -22
-16g + g2 = -22

The g term is -16g.  Take half its coefficient (-8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
-16g + 64 + g2 = -22 + 64

Reorder the terms:
64 + -16g + g2 = -22 + 64

Combine like terms: -22 + 64 = 42
64 + -16g + g2 = 42

Factor a perfect square on the left side:
(g + -8)(g + -8) = 42

Calculate the square root of the right side: 6.480740698

Break this problem into two subproblems by setting 
(g + -8) equal to 6.480740698 and -6.480740698.

Subproblem 1

g + -8 = 6.480740698 Simplifying g + -8 = 6.480740698 Reorder the terms: -8 + g = 6.480740698 Solving -8 + g = 6.480740698 Solving for variable 'g'. Move all terms containing g to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + g = 6.480740698 + 8 Combine like terms: -8 + 8 = 0 0 + g = 6.480740698 + 8 g = 6.480740698 + 8 Combine like terms: 6.480740698 + 8 = 14.480740698 g = 14.480740698 Simplifying g = 14.480740698

Subproblem 2

g + -8 = -6.480740698 Simplifying g + -8 = -6.480740698 Reorder the terms: -8 + g = -6.480740698 Solving -8 + g = -6.480740698 Solving for variable 'g'. Move all terms containing g to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + g = -6.480740698 + 8 Combine like terms: -8 + 8 = 0 0 + g = -6.480740698 + 8 g = -6.480740698 + 8 Combine like terms: -6.480740698 + 8 = 1.519259302 g = 1.519259302 Simplifying g = 1.519259302

Solution

The solution to the problem is based on the solutions from the subproblems. g = {14.480740698, 1.519259302}

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