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Simplifying 4x2 + 4y2 + -36y + 81 = 0 Reorder the terms: 81 + 4x2 + -36y + 4y2 = 0 Solving 81 + 4x2 + -36y + 4y2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-81' to each side of the equation. 81 + 4x2 + -36y + -81 + 4y2 = 0 + -81 Reorder the terms: 81 + -81 + 4x2 + -36y + 4y2 = 0 + -81 Combine like terms: 81 + -81 = 0 0 + 4x2 + -36y + 4y2 = 0 + -81 4x2 + -36y + 4y2 = 0 + -81 Combine like terms: 0 + -81 = -81 4x2 + -36y + 4y2 = -81 Add '36y' to each side of the equation. 4x2 + -36y + 36y + 4y2 = -81 + 36y Combine like terms: -36y + 36y = 0 4x2 + 0 + 4y2 = -81 + 36y 4x2 + 4y2 = -81 + 36y Add '-4y2' to each side of the equation. 4x2 + 4y2 + -4y2 = -81 + 36y + -4y2 Combine like terms: 4y2 + -4y2 = 0 4x2 + 0 = -81 + 36y + -4y2 4x2 = -81 + 36y + -4y2 Divide each side by '4'. x2 = -20.25 + 9y + -1y2 Simplifying x2 = -20.25 + 9y + -1y2 Reorder the terms: 20.25 + x2 + -9y + y2 = -20.25 + 9y + -1y2 + 20.25 + -9y + y2 Reorder the terms: 20.25 + x2 + -9y + y2 = -20.25 + 20.25 + 9y + -9y + -1y2 + y2 Combine like terms: -20.25 + 20.25 = 0.00 20.25 + x2 + -9y + y2 = 0.00 + 9y + -9y + -1y2 + y2 20.25 + x2 + -9y + y2 = 9y + -9y + -1y2 + y2 Combine like terms: 9y + -9y = 0 20.25 + x2 + -9y + y2 = 0 + -1y2 + y2 20.25 + x2 + -9y + y2 = -1y2 + y2 Combine like terms: -1y2 + y2 = 0 20.25 + x2 + -9y + y2 = 0 The solution to this equation could not be determined.
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