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Simplifying y2 + -19y + 121 = 0 Reorder the terms: 121 + -19y + y2 = 0 Solving 121 + -19y + y2 = 0 Solving for variable 'y'. Begin completing the square. Move the constant term to the right: Add '-121' to each side of the equation. 121 + -19y + -121 + y2 = 0 + -121 Reorder the terms: 121 + -121 + -19y + y2 = 0 + -121 Combine like terms: 121 + -121 = 0 0 + -19y + y2 = 0 + -121 -19y + y2 = 0 + -121 Combine like terms: 0 + -121 = -121 -19y + y2 = -121 The y term is -19y. Take half its coefficient (-9.5). Square it (90.25) and add it to both sides. Add '90.25' to each side of the equation. -19y + 90.25 + y2 = -121 + 90.25 Reorder the terms: 90.25 + -19y + y2 = -121 + 90.25 Combine like terms: -121 + 90.25 = -30.75 90.25 + -19y + y2 = -30.75 Factor a perfect square on the left side: (y + -9.5)(y + -9.5) = -30.75 Can't calculate square root of the right side. The solution to this equation could not be determined.
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