b^2+6b-62=0

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Solution for b^2+6b-62=0 equation:


Simplifying
b2 + 6b + -62 = 0

Reorder the terms:
-62 + 6b + b2 = 0

Solving
-62 + 6b + b2 = 0

Solving for variable 'b'.

Begin completing the square.

Move the constant term to the right:

Add '62' to each side of the equation.
-62 + 6b + 62 + b2 = 0 + 62

Reorder the terms:
-62 + 62 + 6b + b2 = 0 + 62

Combine like terms: -62 + 62 = 0
0 + 6b + b2 = 0 + 62
6b + b2 = 0 + 62

Combine like terms: 0 + 62 = 62
6b + b2 = 62

The b term is 6b.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6b + 9 + b2 = 62 + 9

Reorder the terms:
9 + 6b + b2 = 62 + 9

Combine like terms: 62 + 9 = 71
9 + 6b + b2 = 71

Factor a perfect square on the left side:
(b + 3)(b + 3) = 71

Calculate the square root of the right side: 8.426149773

Break this problem into two subproblems by setting 
(b + 3) equal to 8.426149773 and -8.426149773.

Subproblem 1

b + 3 = 8.426149773 Simplifying b + 3 = 8.426149773 Reorder the terms: 3 + b = 8.426149773 Solving 3 + b = 8.426149773 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + b = 8.426149773 + -3 Combine like terms: 3 + -3 = 0 0 + b = 8.426149773 + -3 b = 8.426149773 + -3 Combine like terms: 8.426149773 + -3 = 5.426149773 b = 5.426149773 Simplifying b = 5.426149773

Subproblem 2

b + 3 = -8.426149773 Simplifying b + 3 = -8.426149773 Reorder the terms: 3 + b = -8.426149773 Solving 3 + b = -8.426149773 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + b = -8.426149773 + -3 Combine like terms: 3 + -3 = 0 0 + b = -8.426149773 + -3 b = -8.426149773 + -3 Combine like terms: -8.426149773 + -3 = -11.426149773 b = -11.426149773 Simplifying b = -11.426149773

Solution

The solution to the problem is based on the solutions from the subproblems. b = {5.426149773, -11.426149773}

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