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Simplifying 4x2 + 81y2 = 324 Solving 4x2 + 81y2 = 324 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-81y2' to each side of the equation. 4x2 + 81y2 + -81y2 = 324 + -81y2 Combine like terms: 81y2 + -81y2 = 0 4x2 + 0 = 324 + -81y2 4x2 = 324 + -81y2 Divide each side by '4'. x2 = 81 + -20.25y2 Simplifying x2 = 81 + -20.25y2 Reorder the terms: -81 + x2 + 20.25y2 = 81 + -20.25y2 + -81 + 20.25y2 Reorder the terms: -81 + x2 + 20.25y2 = 81 + -81 + -20.25y2 + 20.25y2 Combine like terms: 81 + -81 = 0 -81 + x2 + 20.25y2 = 0 + -20.25y2 + 20.25y2 -81 + x2 + 20.25y2 = -20.25y2 + 20.25y2 Combine like terms: -20.25y2 + 20.25y2 = 0.00 -81 + x2 + 20.25y2 = 0.00 The solution to this equation could not be determined.
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