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Simplifying b2 + -13b + 55 = 0 Reorder the terms: 55 + -13b + b2 = 0 Solving 55 + -13b + b2 = 0 Solving for variable 'b'. Begin completing the square. Move the constant term to the right: Add '-55' to each side of the equation. 55 + -13b + -55 + b2 = 0 + -55 Reorder the terms: 55 + -55 + -13b + b2 = 0 + -55 Combine like terms: 55 + -55 = 0 0 + -13b + b2 = 0 + -55 -13b + b2 = 0 + -55 Combine like terms: 0 + -55 = -55 -13b + b2 = -55 The b term is -13b. Take half its coefficient (-6.5). Square it (42.25) and add it to both sides. Add '42.25' to each side of the equation. -13b + 42.25 + b2 = -55 + 42.25 Reorder the terms: 42.25 + -13b + b2 = -55 + 42.25 Combine like terms: -55 + 42.25 = -12.75 42.25 + -13b + b2 = -12.75 Factor a perfect square on the left side: (b + -6.5)(b + -6.5) = -12.75 Can't calculate square root of the right side. The solution to this equation could not be determined.
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