-9b+b^2=-60

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Solution for -9b+b^2=-60 equation:


Simplifying
-9b + b2 = -60

Solving
-9b + b2 = -60

Solving for variable 'b'.

Reorder the terms:
60 + -9b + b2 = -60 + 60

Combine like terms: -60 + 60 = 0
60 + -9b + b2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-60' to each side of the equation.
60 + -9b + -60 + b2 = 0 + -60

Reorder the terms:
60 + -60 + -9b + b2 = 0 + -60

Combine like terms: 60 + -60 = 0
0 + -9b + b2 = 0 + -60
-9b + b2 = 0 + -60

Combine like terms: 0 + -60 = -60
-9b + b2 = -60

The b term is -9b.  Take half its coefficient (-4.5).
Square it (20.25) and add it to both sides.

Add '20.25' to each side of the equation.
-9b + 20.25 + b2 = -60 + 20.25

Reorder the terms:
20.25 + -9b + b2 = -60 + 20.25

Combine like terms: -60 + 20.25 = -39.75
20.25 + -9b + b2 = -39.75

Factor a perfect square on the left side:
(b + -4.5)(b + -4.5) = -39.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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