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Simplifying y2 + -8y + 154 = 0 Reorder the terms: 154 + -8y + y2 = 0 Solving 154 + -8y + y2 = 0 Solving for variable 'y'. Begin completing the square. Move the constant term to the right: Add '-154' to each side of the equation. 154 + -8y + -154 + y2 = 0 + -154 Reorder the terms: 154 + -154 + -8y + y2 = 0 + -154 Combine like terms: 154 + -154 = 0 0 + -8y + y2 = 0 + -154 -8y + y2 = 0 + -154 Combine like terms: 0 + -154 = -154 -8y + y2 = -154 The y term is -8y. Take half its coefficient (-4). Square it (16) and add it to both sides. Add '16' to each side of the equation. -8y + 16 + y2 = -154 + 16 Reorder the terms: 16 + -8y + y2 = -154 + 16 Combine like terms: -154 + 16 = -138 16 + -8y + y2 = -138 Factor a perfect square on the left side: (y + -4)(y + -4) = -138 Can't calculate square root of the right side. The solution to this equation could not be determined.
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