14=196+28b-b*b

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Solution for 14=196+28b-b*b equation:


Simplifying
14 = 196 + 28b + -1b * b

Multiply b * b
14 = 196 + 28b + -1b2

Solving
14 = 196 + 28b + -1b2

Solving for variable 'b'.

Combine like terms: 14 + -196 = -182
-182 + -28b + b2 = 196 + 28b + -1b2 + -196 + -28b + b2

Reorder the terms:
-182 + -28b + b2 = 196 + -196 + 28b + -28b + -1b2 + b2

Combine like terms: 196 + -196 = 0
-182 + -28b + b2 = 0 + 28b + -28b + -1b2 + b2
-182 + -28b + b2 = 28b + -28b + -1b2 + b2

Combine like terms: 28b + -28b = 0
-182 + -28b + b2 = 0 + -1b2 + b2
-182 + -28b + b2 = -1b2 + b2

Combine like terms: -1b2 + b2 = 0
-182 + -28b + b2 = 0

Begin completing the square.

Move the constant term to the right:

Add '182' to each side of the equation.
-182 + -28b + 182 + b2 = 0 + 182

Reorder the terms:
-182 + 182 + -28b + b2 = 0 + 182

Combine like terms: -182 + 182 = 0
0 + -28b + b2 = 0 + 182
-28b + b2 = 0 + 182

Combine like terms: 0 + 182 = 182
-28b + b2 = 182

The b term is -28b.  Take half its coefficient (-14).
Square it (196) and add it to both sides.

Add '196' to each side of the equation.
-28b + 196 + b2 = 182 + 196

Reorder the terms:
196 + -28b + b2 = 182 + 196

Combine like terms: 182 + 196 = 378
196 + -28b + b2 = 378

Factor a perfect square on the left side:
(b + -14)(b + -14) = 378

Calculate the square root of the right side: 19.442222095

Break this problem into two subproblems by setting 
(b + -14) equal to 19.442222095 and -19.442222095.

Subproblem 1

b + -14 = 19.442222095 Simplifying b + -14 = 19.442222095 Reorder the terms: -14 + b = 19.442222095 Solving -14 + b = 19.442222095 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '14' to each side of the equation. -14 + 14 + b = 19.442222095 + 14 Combine like terms: -14 + 14 = 0 0 + b = 19.442222095 + 14 b = 19.442222095 + 14 Combine like terms: 19.442222095 + 14 = 33.442222095 b = 33.442222095 Simplifying b = 33.442222095

Subproblem 2

b + -14 = -19.442222095 Simplifying b + -14 = -19.442222095 Reorder the terms: -14 + b = -19.442222095 Solving -14 + b = -19.442222095 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '14' to each side of the equation. -14 + 14 + b = -19.442222095 + 14 Combine like terms: -14 + 14 = 0 0 + b = -19.442222095 + 14 b = -19.442222095 + 14 Combine like terms: -19.442222095 + 14 = -5.442222095 b = -5.442222095 Simplifying b = -5.442222095

Solution

The solution to the problem is based on the solutions from the subproblems. b = {33.442222095, -5.442222095}

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