30+b^2-37*b=0

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Solution for 30+b^2-37*b=0 equation:


Simplifying
30 + b2 + -37b = 0

Reorder the terms:
30 + -37b + b2 = 0

Solving
30 + -37b + b2 = 0

Solving for variable 'b'.

Begin completing the square.

Move the constant term to the right:

Add '-30' to each side of the equation.
30 + -37b + -30 + b2 = 0 + -30

Reorder the terms:
30 + -30 + -37b + b2 = 0 + -30

Combine like terms: 30 + -30 = 0
0 + -37b + b2 = 0 + -30
-37b + b2 = 0 + -30

Combine like terms: 0 + -30 = -30
-37b + b2 = -30

The b term is -37b.  Take half its coefficient (-18.5).
Square it (342.25) and add it to both sides.

Add '342.25' to each side of the equation.
-37b + 342.25 + b2 = -30 + 342.25

Reorder the terms:
342.25 + -37b + b2 = -30 + 342.25

Combine like terms: -30 + 342.25 = 312.25
342.25 + -37b + b2 = 312.25

Factor a perfect square on the left side:
(b + -18.5)(b + -18.5) = 312.25

Calculate the square root of the right side: 17.670597047

Break this problem into two subproblems by setting 
(b + -18.5) equal to 17.670597047 and -17.670597047.

Subproblem 1

b + -18.5 = 17.670597047 Simplifying b + -18.5 = 17.670597047 Reorder the terms: -18.5 + b = 17.670597047 Solving -18.5 + b = 17.670597047 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '18.5' to each side of the equation. -18.5 + 18.5 + b = 17.670597047 + 18.5 Combine like terms: -18.5 + 18.5 = 0.0 0.0 + b = 17.670597047 + 18.5 b = 17.670597047 + 18.5 Combine like terms: 17.670597047 + 18.5 = 36.170597047 b = 36.170597047 Simplifying b = 36.170597047

Subproblem 2

b + -18.5 = -17.670597047 Simplifying b + -18.5 = -17.670597047 Reorder the terms: -18.5 + b = -17.670597047 Solving -18.5 + b = -17.670597047 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '18.5' to each side of the equation. -18.5 + 18.5 + b = -17.670597047 + 18.5 Combine like terms: -18.5 + 18.5 = 0.0 0.0 + b = -17.670597047 + 18.5 b = -17.670597047 + 18.5 Combine like terms: -17.670597047 + 18.5 = 0.829402953 b = 0.829402953 Simplifying b = 0.829402953

Solution

The solution to the problem is based on the solutions from the subproblems. b = {36.170597047, 0.829402953}

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