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Simplifying y2 + -2y + 45 = 0 Reorder the terms: 45 + -2y + y2 = 0 Solving 45 + -2y + y2 = 0 Solving for variable 'y'. Begin completing the square. Move the constant term to the right: Add '-45' to each side of the equation. 45 + -2y + -45 + y2 = 0 + -45 Reorder the terms: 45 + -45 + -2y + y2 = 0 + -45 Combine like terms: 45 + -45 = 0 0 + -2y + y2 = 0 + -45 -2y + y2 = 0 + -45 Combine like terms: 0 + -45 = -45 -2y + y2 = -45 The y term is -2y. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2y + 1 + y2 = -45 + 1 Reorder the terms: 1 + -2y + y2 = -45 + 1 Combine like terms: -45 + 1 = -44 1 + -2y + y2 = -44 Factor a perfect square on the left side: (y + -1)(y + -1) = -44 Can't calculate square root of the right side. The solution to this equation could not be determined.
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