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Simplifying Y4 + 6Y2 + 25 = 0 Reorder the terms: 25 + 6Y2 + Y4 = 0 Solving 25 + 6Y2 + Y4 = 0 Solving for variable 'Y'. Begin completing the square. Move the constant term to the right: Add '-25' to each side of the equation. 25 + 6Y2 + -25 + Y4 = 0 + -25 Reorder the terms: 25 + -25 + 6Y2 + Y4 = 0 + -25 Combine like terms: 25 + -25 = 0 0 + 6Y2 + Y4 = 0 + -25 6Y2 + Y4 = 0 + -25 Combine like terms: 0 + -25 = -25 6Y2 + Y4 = -25 The Y term is 6Y2. Take half its coefficient (3). Square it (9) and add it to both sides. Add '9' to each side of the equation. 6Y2 + 9 + Y4 = -25 + 9 Reorder the terms: 9 + 6Y2 + Y4 = -25 + 9 Combine like terms: -25 + 9 = -16 9 + 6Y2 + Y4 = -16 Factor a perfect square on the left side: (Y2 + 3)(Y2 + 3) = -16 Can't calculate square root of the right side. The solution to this equation could not be determined.
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