b+(b^2-2)+(b^2-2+2)=60

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Solution for b+(b^2-2)+(b^2-2+2)=60 equation:


Simplifying
b + (b2 + -2) + (b2 + -2 + 2) = 60

Reorder the terms:
b + (-2 + b2) + (b2 + -2 + 2) = 60

Remove parenthesis around (-2 + b2)
b + -2 + b2 + (b2 + -2 + 2) = 60

Reorder the terms:
b + -2 + b2 + (-2 + 2 + b2) = 60

Combine like terms: -2 + 2 = 0
b + -2 + b2 + (0 + b2) = 60
b + -2 + b2 + (b2) = 60
b + -2 + b2 + b2 = 60

Reorder the terms:
-2 + b + b2 + b2 = 60

Combine like terms: b2 + b2 = 2b2
-2 + b + 2b2 = 60

Solving
-2 + b + 2b2 = 60

Solving for variable 'b'.

Reorder the terms:
-2 + -60 + b + 2b2 = 60 + -60

Combine like terms: -2 + -60 = -62
-62 + b + 2b2 = 60 + -60

Combine like terms: 60 + -60 = 0
-62 + b + 2b2 = 0

Begin completing the square.  Divide all terms by
2 the coefficient of the squared term: 

Divide each side by '2'.
-31 + 0.5b + b2 = 0

Move the constant term to the right:

Add '31' to each side of the equation.
-31 + 0.5b + 31 + b2 = 0 + 31

Reorder the terms:
-31 + 31 + 0.5b + b2 = 0 + 31

Combine like terms: -31 + 31 = 0
0 + 0.5b + b2 = 0 + 31
0.5b + b2 = 0 + 31

Combine like terms: 0 + 31 = 31
0.5b + b2 = 31

The b term is b.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
0.5b + 0.25 + b2 = 31 + 0.25

Reorder the terms:
0.25 + 0.5b + b2 = 31 + 0.25

Combine like terms: 31 + 0.25 = 31.25
0.25 + 0.5b + b2 = 31.25

Factor a perfect square on the left side:
(b + 0.5)(b + 0.5) = 31.25

Calculate the square root of the right side: 5.590169944

Break this problem into two subproblems by setting 
(b + 0.5) equal to 5.590169944 and -5.590169944.

Subproblem 1

b + 0.5 = 5.590169944 Simplifying b + 0.5 = 5.590169944 Reorder the terms: 0.5 + b = 5.590169944 Solving 0.5 + b = 5.590169944 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + b = 5.590169944 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + b = 5.590169944 + -0.5 b = 5.590169944 + -0.5 Combine like terms: 5.590169944 + -0.5 = 5.090169944 b = 5.090169944 Simplifying b = 5.090169944

Subproblem 2

b + 0.5 = -5.590169944 Simplifying b + 0.5 = -5.590169944 Reorder the terms: 0.5 + b = -5.590169944 Solving 0.5 + b = -5.590169944 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + b = -5.590169944 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + b = -5.590169944 + -0.5 b = -5.590169944 + -0.5 Combine like terms: -5.590169944 + -0.5 = -6.090169944 b = -6.090169944 Simplifying b = -6.090169944

Solution

The solution to the problem is based on the solutions from the subproblems. b = {5.090169944, -6.090169944}

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