g^2-10g+15=0

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Solution for g^2-10g+15=0 equation:


Simplifying
g2 + -10g + 15 = 0

Reorder the terms:
15 + -10g + g2 = 0

Solving
15 + -10g + g2 = 0

Solving for variable 'g'.

Begin completing the square.

Move the constant term to the right:

Add '-15' to each side of the equation.
15 + -10g + -15 + g2 = 0 + -15

Reorder the terms:
15 + -15 + -10g + g2 = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -10g + g2 = 0 + -15
-10g + g2 = 0 + -15

Combine like terms: 0 + -15 = -15
-10g + g2 = -15

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 = -15 + 25

Reorder the terms:
25 + -10g + g2 = -15 + 25

Combine like terms: -15 + 25 = 10
25 + -10g + g2 = 10

Factor a perfect square on the left side:
(g + -5)(g + -5) = 10

Calculate the square root of the right side: 3.16227766

Break this problem into two subproblems by setting 
(g + -5) equal to 3.16227766 and -3.16227766.

Subproblem 1

g + -5 = 3.16227766 Simplifying g + -5 = 3.16227766 Reorder the terms: -5 + g = 3.16227766 Solving -5 + g = 3.16227766 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 = 3.16227766 + 5 Combine like terms: -5 + 5 = 0 0 + g = 3.16227766 + 5 g = 3.16227766 + 5 Combine like terms: 3.16227766 + 5 = 8.16227766 g = 8.16227766 Simplifying g = 8.16227766

Subproblem 2

g + -5 = -3.16227766 Simplifying g + -5 = -3.16227766 Reorder the terms: -5 + g = -3.16227766 Solving -5 + g = -3.16227766 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 = -3.16227766 + 5 Combine like terms: -5 + 5 = 0 0 + g = -3.16227766 + 5 g = -3.16227766 + 5 Combine like terms: -3.16227766 + 5 = 1.83772234 g = 1.83772234 Simplifying g = 1.83772234

Solution

The solution to the problem is based on the solutions from the subproblems. g = {8.16227766, 1.83772234}

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