B^2+7B-33=0

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Solution for B^2+7B-33=0 equation:


Simplifying
B2 + 7B + -33 = 0

Reorder the terms:
-33 + 7B + B2 = 0

Solving
-33 + 7B + B2 = 0

Solving for variable 'B'.

Begin completing the square.

Move the constant term to the right:

Add '33' to each side of the equation.
-33 + 7B + 33 + B2 = 0 + 33

Reorder the terms:
-33 + 33 + 7B + B2 = 0 + 33

Combine like terms: -33 + 33 = 0
0 + 7B + B2 = 0 + 33
7B + B2 = 0 + 33

Combine like terms: 0 + 33 = 33
7B + B2 = 33

The B term is 7B.  Take half its coefficient (3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
7B + 12.25 + B2 = 33 + 12.25

Reorder the terms:
12.25 + 7B + B2 = 33 + 12.25

Combine like terms: 33 + 12.25 = 45.25
12.25 + 7B + B2 = 45.25

Factor a perfect square on the left side:
(B + 3.5)(B + 3.5) = 45.25

Calculate the square root of the right side: 6.726812024

Break this problem into two subproblems by setting 
(B + 3.5) equal to 6.726812024 and -6.726812024.

Subproblem 1

B + 3.5 = 6.726812024 Simplifying B + 3.5 = 6.726812024 Reorder the terms: 3.5 + B = 6.726812024 Solving 3.5 + B = 6.726812024 Solving for variable 'B'. Move all terms containing B to the left, all other terms to the right. Add '-3.5' to each side of the equation. 3.5 + -3.5 + B = 6.726812024 + -3.5 Combine like terms: 3.5 + -3.5 = 0.0 0.0 + B = 6.726812024 + -3.5 B = 6.726812024 + -3.5 Combine like terms: 6.726812024 + -3.5 = 3.226812024 B = 3.226812024 Simplifying B = 3.226812024

Subproblem 2

B + 3.5 = -6.726812024 Simplifying B + 3.5 = -6.726812024 Reorder the terms: 3.5 + B = -6.726812024 Solving 3.5 + B = -6.726812024 Solving for variable 'B'. Move all terms containing B to the left, all other terms to the right. Add '-3.5' to each side of the equation. 3.5 + -3.5 + B = -6.726812024 + -3.5 Combine like terms: 3.5 + -3.5 = 0.0 0.0 + B = -6.726812024 + -3.5 B = -6.726812024 + -3.5 Combine like terms: -6.726812024 + -3.5 = -10.226812024 B = -10.226812024 Simplifying B = -10.226812024

Solution

The solution to the problem is based on the solutions from the subproblems. B = {3.226812024, -10.226812024}

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