53b^2-25b-58=0

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Solution for 53b^2-25b-58=0 equation:


Simplifying
53b2 + -25b + -58 = 0

Reorder the terms:
-58 + -25b + 53b2 = 0

Solving
-58 + -25b + 53b2 = 0

Solving for variable 'b'.

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

Divide each side by '53'.
-1.094339623 + -0.4716981132b + b2 = 0

Move the constant term to the right:

Add '1.094339623' to each side of the equation.
-1.094339623 + -0.4716981132b + 1.094339623 + b2 = 0 + 1.094339623

Reorder the terms:
-1.094339623 + 1.094339623 + -0.4716981132b + b2 = 0 + 1.094339623

Combine like terms: -1.094339623 + 1.094339623 = 0.000000000
0.000000000 + -0.4716981132b + b2 = 0 + 1.094339623
-0.4716981132b + b2 = 0 + 1.094339623

Combine like terms: 0 + 1.094339623 = 1.094339623
-0.4716981132b + b2 = 1.094339623

The b term is -0.4716981132b.  Take half its coefficient (-0.2358490566).
Square it (0.05562477750) and add it to both sides.

Add '0.05562477750' to each side of the equation.
-0.4716981132b + 0.05562477750 + b2 = 1.094339623 + 0.05562477750

Reorder the terms:
0.05562477750 + -0.4716981132b + b2 = 1.094339623 + 0.05562477750

Combine like terms: 1.094339623 + 0.05562477750 = 1.1499644005
0.05562477750 + -0.4716981132b + b2 = 1.1499644005

Factor a perfect square on the left side:
(b + -0.2358490566)(b + -0.2358490566) = 1.1499644005

Calculate the square root of the right side: 1.072363931

Break this problem into two subproblems by setting 
(b + -0.2358490566) equal to 1.072363931 and -1.072363931.

Subproblem 1

b + -0.2358490566 = 1.072363931 Simplifying b + -0.2358490566 = 1.072363931 Reorder the terms: -0.2358490566 + b = 1.072363931 Solving -0.2358490566 + b = 1.072363931 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '0.2358490566' to each side of the equation. -0.2358490566 + 0.2358490566 + b = 1.072363931 + 0.2358490566 Combine like terms: -0.2358490566 + 0.2358490566 = 0.0000000000 0.0000000000 + b = 1.072363931 + 0.2358490566 b = 1.072363931 + 0.2358490566 Combine like terms: 1.072363931 + 0.2358490566 = 1.3082129876 b = 1.3082129876 Simplifying b = 1.3082129876

Subproblem 2

b + -0.2358490566 = -1.072363931 Simplifying b + -0.2358490566 = -1.072363931 Reorder the terms: -0.2358490566 + b = -1.072363931 Solving -0.2358490566 + b = -1.072363931 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '0.2358490566' to each side of the equation. -0.2358490566 + 0.2358490566 + b = -1.072363931 + 0.2358490566 Combine like terms: -0.2358490566 + 0.2358490566 = 0.0000000000 0.0000000000 + b = -1.072363931 + 0.2358490566 b = -1.072363931 + 0.2358490566 Combine like terms: -1.072363931 + 0.2358490566 = -0.8365148744 b = -0.8365148744 Simplifying b = -0.8365148744

Solution

The solution to the problem is based on the solutions from the subproblems. b = {1.3082129876, -0.8365148744}

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