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Simplifying 400x2 + 225y2 = 1 Solving 400x2 + 225y2 = 1 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-225y2' to each side of the equation. 400x2 + 225y2 + -225y2 = 1 + -225y2 Combine like terms: 225y2 + -225y2 = 0 400x2 + 0 = 1 + -225y2 400x2 = 1 + -225y2 Divide each side by '400'. x2 = 0.0025 + -0.5625y2 Simplifying x2 = 0.0025 + -0.5625y2 Reorder the terms: -0.0025 + x2 + 0.5625y2 = 0.0025 + -0.5625y2 + -0.0025 + 0.5625y2 Reorder the terms: -0.0025 + x2 + 0.5625y2 = 0.0025 + -0.0025 + -0.5625y2 + 0.5625y2 Combine like terms: 0.0025 + -0.0025 = 0.0000 -0.0025 + x2 + 0.5625y2 = 0.0000 + -0.5625y2 + 0.5625y2 -0.0025 + x2 + 0.5625y2 = -0.5625y2 + 0.5625y2 Combine like terms: -0.5625y2 + 0.5625y2 = 0.0000 -0.0025 + x2 + 0.5625y2 = 0.0000 The solution to this equation could not be determined.
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