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Simplifying r2 + -2r + 46 = 0 Reorder the terms: 46 + -2r + r2 = 0 Solving 46 + -2r + r2 = 0 Solving for variable 'r'. Begin completing the square. Move the constant term to the right: Add '-46' to each side of the equation. 46 + -2r + -46 + r2 = 0 + -46 Reorder the terms: 46 + -46 + -2r + r2 = 0 + -46 Combine like terms: 46 + -46 = 0 0 + -2r + r2 = 0 + -46 -2r + r2 = 0 + -46 Combine like terms: 0 + -46 = -46 -2r + r2 = -46 The r term is -2r. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2r + 1 + r2 = -46 + 1 Reorder the terms: 1 + -2r + r2 = -46 + 1 Combine like terms: -46 + 1 = -45 1 + -2r + r2 = -45 Factor a perfect square on the left side: (r + -1)(r + -1) = -45 Can't calculate square root of the right side. The solution to this equation could not be determined.
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