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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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