b^2+4b-37=-10

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Solution for b^2+4b-37=-10 equation:


Simplifying
b2 + 4b + -37 = -10

Reorder the terms:
-37 + 4b + b2 = -10

Solving
-37 + 4b + b2 = -10

Solving for variable 'b'.

Reorder the terms:
-37 + 10 + 4b + b2 = -10 + 10

Combine like terms: -37 + 10 = -27
-27 + 4b + b2 = -10 + 10

Combine like terms: -10 + 10 = 0
-27 + 4b + b2 = 0

Begin completing the square.

Move the constant term to the right:

Add '27' to each side of the equation.
-27 + 4b + 27 + b2 = 0 + 27

Reorder the terms:
-27 + 27 + 4b + b2 = 0 + 27

Combine like terms: -27 + 27 = 0
0 + 4b + b2 = 0 + 27
4b + b2 = 0 + 27

Combine like terms: 0 + 27 = 27
4b + b2 = 27

The b term is 4b.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4b + 4 + b2 = 27 + 4

Reorder the terms:
4 + 4b + b2 = 27 + 4

Combine like terms: 27 + 4 = 31
4 + 4b + b2 = 31

Factor a perfect square on the left side:
(b + 2)(b + 2) = 31

Calculate the square root of the right side: 5.567764363

Break this problem into two subproblems by setting 
(b + 2) equal to 5.567764363 and -5.567764363.

Subproblem 1

b + 2 = 5.567764363 Simplifying b + 2 = 5.567764363 Reorder the terms: 2 + b = 5.567764363 Solving 2 + b = 5.567764363 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + b = 5.567764363 + -2 Combine like terms: 2 + -2 = 0 0 + b = 5.567764363 + -2 b = 5.567764363 + -2 Combine like terms: 5.567764363 + -2 = 3.567764363 b = 3.567764363 Simplifying b = 3.567764363

Subproblem 2

b + 2 = -5.567764363 Simplifying b + 2 = -5.567764363 Reorder the terms: 2 + b = -5.567764363 Solving 2 + b = -5.567764363 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + b = -5.567764363 + -2 Combine like terms: 2 + -2 = 0 0 + b = -5.567764363 + -2 b = -5.567764363 + -2 Combine like terms: -5.567764363 + -2 = -7.567764363 b = -7.567764363 Simplifying b = -7.567764363

Solution

The solution to the problem is based on the solutions from the subproblems. b = {3.567764363, -7.567764363}

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