b^2-22=12b

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Solution for b^2-22=12b equation:


Simplifying
b2 + -22 = 12b

Reorder the terms:
-22 + b2 = 12b

Solving
-22 + b2 = 12b

Solving for variable 'b'.

Reorder the terms:
-22 + -12b + b2 = 12b + -12b

Combine like terms: 12b + -12b = 0
-22 + -12b + b2 = 0

Begin completing the square.

Move the constant term to the right:

Add '22' to each side of the equation.
-22 + -12b + 22 + b2 = 0 + 22

Reorder the terms:
-22 + 22 + -12b + b2 = 0 + 22

Combine like terms: -22 + 22 = 0
0 + -12b + b2 = 0 + 22
-12b + b2 = 0 + 22

Combine like terms: 0 + 22 = 22
-12b + b2 = 22

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 = 22 + 36

Reorder the terms:
36 + -12b + b2 = 22 + 36

Combine like terms: 22 + 36 = 58
36 + -12b + b2 = 58

Factor a perfect square on the left side:
(b + -6)(b + -6) = 58

Calculate the square root of the right side: 7.615773106

Break this problem into two subproblems by setting 
(b + -6) equal to 7.615773106 and -7.615773106.

Subproblem 1

b + -6 = 7.615773106 Simplifying b + -6 = 7.615773106 Reorder the terms: -6 + b = 7.615773106 Solving -6 + b = 7.615773106 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 = 7.615773106 + 6 Combine like terms: -6 + 6 = 0 0 + b = 7.615773106 + 6 b = 7.615773106 + 6 Combine like terms: 7.615773106 + 6 = 13.615773106 b = 13.615773106 Simplifying b = 13.615773106

Subproblem 2

b + -6 = -7.615773106 Simplifying b + -6 = -7.615773106 Reorder the terms: -6 + b = -7.615773106 Solving -6 + b = -7.615773106 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 = -7.615773106 + 6 Combine like terms: -6 + 6 = 0 0 + b = -7.615773106 + 6 b = -7.615773106 + 6 Combine like terms: -7.615773106 + 6 = -1.615773106 b = -1.615773106 Simplifying b = -1.615773106

Solution

The solution to the problem is based on the solutions from the subproblems. b = {13.615773106, -1.615773106}

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