4b^2-b-34-0=

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Solution for 4b^2-b-34-0= equation:


Simplifying
4b2 + -1b + -34 + 0 = 0

Reorder the terms:
-34 + 0 + -1b + 4b2 = 0

Combine like terms: -34 + 0 = -34
-34 + -1b + 4b2 = 0

Solving
-34 + -1b + 4b2 = 0

Solving for variable 'b'.

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

Divide each side by '4'.
-8.5 + -0.25b + b2 = 0

Move the constant term to the right:

Add '8.5' to each side of the equation.
-8.5 + -0.25b + 8.5 + b2 = 0 + 8.5

Reorder the terms:
-8.5 + 8.5 + -0.25b + b2 = 0 + 8.5

Combine like terms: -8.5 + 8.5 = 0.0
0.0 + -0.25b + b2 = 0 + 8.5
-0.25b + b2 = 0 + 8.5

Combine like terms: 0 + 8.5 = 8.5
-0.25b + b2 = 8.5

The b term is -0.25b.  Take half its coefficient (-0.125).
Square it (0.015625) and add it to both sides.

Add '0.015625' to each side of the equation.
-0.25b + 0.015625 + b2 = 8.5 + 0.015625

Reorder the terms:
0.015625 + -0.25b + b2 = 8.5 + 0.015625

Combine like terms: 8.5 + 0.015625 = 8.515625
0.015625 + -0.25b + b2 = 8.515625

Factor a perfect square on the left side:
(b + -0.125)(b + -0.125) = 8.515625

Calculate the square root of the right side: 2.918154382

Break this problem into two subproblems by setting 
(b + -0.125) equal to 2.918154382 and -2.918154382.

Subproblem 1

b + -0.125 = 2.918154382 Simplifying b + -0.125 = 2.918154382 Reorder the terms: -0.125 + b = 2.918154382 Solving -0.125 + b = 2.918154382 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '0.125' to each side of the equation. -0.125 + 0.125 + b = 2.918154382 + 0.125 Combine like terms: -0.125 + 0.125 = 0.000 0.000 + b = 2.918154382 + 0.125 b = 2.918154382 + 0.125 Combine like terms: 2.918154382 + 0.125 = 3.043154382 b = 3.043154382 Simplifying b = 3.043154382

Subproblem 2

b + -0.125 = -2.918154382 Simplifying b + -0.125 = -2.918154382 Reorder the terms: -0.125 + b = -2.918154382 Solving -0.125 + b = -2.918154382 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '0.125' to each side of the equation. -0.125 + 0.125 + b = -2.918154382 + 0.125 Combine like terms: -0.125 + 0.125 = 0.000 0.000 + b = -2.918154382 + 0.125 b = -2.918154382 + 0.125 Combine like terms: -2.918154382 + 0.125 = -2.793154382 b = -2.793154382 Simplifying b = -2.793154382

Solution

The solution to the problem is based on the solutions from the subproblems. b = {3.043154382, -2.793154382}

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