11b^2-25b-96=0

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Solution for 11b^2-25b-96=0 equation:


Simplifying
11b2 + -25b + -96 = 0

Reorder the terms:
-96 + -25b + 11b2 = 0

Solving
-96 + -25b + 11b2 = 0

Solving for variable 'b'.

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

Divide each side by '11'.
-8.727272727 + -2.272727273b + b2 = 0

Move the constant term to the right:

Add '8.727272727' to each side of the equation.
-8.727272727 + -2.272727273b + 8.727272727 + b2 = 0 + 8.727272727

Reorder the terms:
-8.727272727 + 8.727272727 + -2.272727273b + b2 = 0 + 8.727272727

Combine like terms: -8.727272727 + 8.727272727 = 0.000000000
0.000000000 + -2.272727273b + b2 = 0 + 8.727272727
-2.272727273b + b2 = 0 + 8.727272727

Combine like terms: 0 + 8.727272727 = 8.727272727
-2.272727273b + b2 = 8.727272727

The b term is -2.272727273b.  Take half its coefficient (-1.136363637).
Square it (1.291322316) and add it to both sides.

Add '1.291322316' to each side of the equation.
-2.272727273b + 1.291322316 + b2 = 8.727272727 + 1.291322316

Reorder the terms:
1.291322316 + -2.272727273b + b2 = 8.727272727 + 1.291322316

Combine like terms: 8.727272727 + 1.291322316 = 10.018595043
1.291322316 + -2.272727273b + b2 = 10.018595043

Factor a perfect square on the left side:
(b + -1.136363637)(b + -1.136363637) = 10.018595043

Calculate the square root of the right side: 3.165216429

Break this problem into two subproblems by setting 
(b + -1.136363637) equal to 3.165216429 and -3.165216429.

Subproblem 1

b + -1.136363637 = 3.165216429 Simplifying b + -1.136363637 = 3.165216429 Reorder the terms: -1.136363637 + b = 3.165216429 Solving -1.136363637 + b = 3.165216429 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '1.136363637' to each side of the equation. -1.136363637 + 1.136363637 + b = 3.165216429 + 1.136363637 Combine like terms: -1.136363637 + 1.136363637 = 0.000000000 0.000000000 + b = 3.165216429 + 1.136363637 b = 3.165216429 + 1.136363637 Combine like terms: 3.165216429 + 1.136363637 = 4.301580066 b = 4.301580066 Simplifying b = 4.301580066

Subproblem 2

b + -1.136363637 = -3.165216429 Simplifying b + -1.136363637 = -3.165216429 Reorder the terms: -1.136363637 + b = -3.165216429 Solving -1.136363637 + b = -3.165216429 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '1.136363637' to each side of the equation. -1.136363637 + 1.136363637 + b = -3.165216429 + 1.136363637 Combine like terms: -1.136363637 + 1.136363637 = 0.000000000 0.000000000 + b = -3.165216429 + 1.136363637 b = -3.165216429 + 1.136363637 Combine like terms: -3.165216429 + 1.136363637 = -2.028852792 b = -2.028852792 Simplifying b = -2.028852792

Solution

The solution to the problem is based on the solutions from the subproblems. b = {4.301580066, -2.028852792}

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