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Simplifying y2 + -10y + 25 = -225 Reorder the terms: 25 + -10y + y2 = -225 Solving 25 + -10y + y2 = -225 Solving for variable 'y'. Reorder the terms: 25 + 225 + -10y + y2 = -225 + 225 Combine like terms: 25 + 225 = 250 250 + -10y + y2 = -225 + 225 Combine like terms: -225 + 225 = 0 250 + -10y + y2 = 0 Begin completing the square. Move the constant term to the right: Add '-250' to each side of the equation. 250 + -10y + -250 + y2 = 0 + -250 Reorder the terms: 250 + -250 + -10y + y2 = 0 + -250 Combine like terms: 250 + -250 = 0 0 + -10y + y2 = 0 + -250 -10y + y2 = 0 + -250 Combine like terms: 0 + -250 = -250 -10y + y2 = -250 The y term is -10y. Take half its coefficient (-5). Square it (25) and add it to both sides. Add '25' to each side of the equation. -10y + 25 + y2 = -250 + 25 Reorder the terms: 25 + -10y + y2 = -250 + 25 Combine like terms: -250 + 25 = -225 25 + -10y + y2 = -225 Factor a perfect square on the left side: (y + -5)(y + -5) = -225 Can't calculate square root of the right side. The solution to this equation could not be determined.
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