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Simplifying Y2 + 4y + 4 + -9y2 = 0 Reorder the terms: 4 + Y2 + 4y + -9y2 = 0 Solving 4 + Y2 + 4y + -9y2 = 0 Solving for variable 'Y'. Move all terms containing Y to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + Y2 + 4y + -4 + -9y2 = 0 + -4 Reorder the terms: 4 + -4 + Y2 + 4y + -9y2 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + Y2 + 4y + -9y2 = 0 + -4 Y2 + 4y + -9y2 = 0 + -4 Combine like terms: 0 + -4 = -4 Y2 + 4y + -9y2 = -4 Add '-4y' to each side of the equation. Y2 + 4y + -4y + -9y2 = -4 + -4y Combine like terms: 4y + -4y = 0 Y2 + 0 + -9y2 = -4 + -4y Y2 + -9y2 = -4 + -4y Add '9y2' to each side of the equation. Y2 + -9y2 + 9y2 = -4 + -4y + 9y2 Combine like terms: -9y2 + 9y2 = 0 Y2 + 0 = -4 + -4y + 9y2 Y2 = -4 + -4y + 9y2 Simplifying Y2 = -4 + -4y + 9y2 Reorder the terms: 4 + Y2 + 4y + -9y2 = -4 + -4y + 9y2 + 4 + 4y + -9y2 Reorder the terms: 4 + Y2 + 4y + -9y2 = -4 + 4 + -4y + 4y + 9y2 + -9y2 Combine like terms: -4 + 4 = 0 4 + Y2 + 4y + -9y2 = 0 + -4y + 4y + 9y2 + -9y2 4 + Y2 + 4y + -9y2 = -4y + 4y + 9y2 + -9y2 Combine like terms: -4y + 4y = 0 4 + Y2 + 4y + -9y2 = 0 + 9y2 + -9y2 4 + Y2 + 4y + -9y2 = 9y2 + -9y2 Combine like terms: 9y2 + -9y2 = 0 4 + Y2 + 4y + -9y2 = 0 The solution to this equation could not be determined.
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