b^2-12b+25=0

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Solution for b^2-12b+25=0 equation:


Simplifying
b2 + -12b + 25 = 0

Reorder the terms:
25 + -12b + b2 = 0

Solving
25 + -12b + b2 = 0

Solving for variable 'b'.

Begin completing the square.

Move the constant term to the right:

Add '-25' to each side of the equation.
25 + -12b + -25 + b2 = 0 + -25

Reorder the terms:
25 + -25 + -12b + b2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -12b + b2 = 0 + -25
-12b + b2 = 0 + -25

Combine like terms: 0 + -25 = -25
-12b + b2 = -25

The b term is -12b.  Take half its coefficient (-6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
-12b + 36 + b2 = -25 + 36

Reorder the terms:
36 + -12b + b2 = -25 + 36

Combine like terms: -25 + 36 = 11
36 + -12b + b2 = 11

Factor a perfect square on the left side:
(b + -6)(b + -6) = 11

Calculate the square root of the right side: 3.31662479

Break this problem into two subproblems by setting 
(b + -6) equal to 3.31662479 and -3.31662479.

Subproblem 1

b + -6 = 3.31662479 Simplifying b + -6 = 3.31662479 Reorder the terms: -6 + b = 3.31662479 Solving -6 + b = 3.31662479 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + b = 3.31662479 + 6 Combine like terms: -6 + 6 = 0 0 + b = 3.31662479 + 6 b = 3.31662479 + 6 Combine like terms: 3.31662479 + 6 = 9.31662479 b = 9.31662479 Simplifying b = 9.31662479

Subproblem 2

b + -6 = -3.31662479 Simplifying b + -6 = -3.31662479 Reorder the terms: -6 + b = -3.31662479 Solving -6 + b = -3.31662479 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + b = -3.31662479 + 6 Combine like terms: -6 + 6 = 0 0 + b = -3.31662479 + 6 b = -3.31662479 + 6 Combine like terms: -3.31662479 + 6 = 2.68337521 b = 2.68337521 Simplifying b = 2.68337521

Solution

The solution to the problem is based on the solutions from the subproblems. b = {9.31662479, 2.68337521}

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