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Simplifying 4 + -9x2 + -2y2 = 0 Solving 4 + -9x2 + -2y2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -9x2 + -4 + -2y2 = 0 + -4 Reorder the terms: 4 + -4 + -9x2 + -2y2 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -9x2 + -2y2 = 0 + -4 -9x2 + -2y2 = 0 + -4 Combine like terms: 0 + -4 = -4 -9x2 + -2y2 = -4 Add '2y2' to each side of the equation. -9x2 + -2y2 + 2y2 = -4 + 2y2 Combine like terms: -2y2 + 2y2 = 0 -9x2 + 0 = -4 + 2y2 -9x2 = -4 + 2y2 Divide each side by '-9'. x2 = 0.4444444444 + -0.2222222222y2 Simplifying x2 = 0.4444444444 + -0.2222222222y2 Reorder the terms: -0.4444444444 + x2 + 0.2222222222y2 = 0.4444444444 + -0.2222222222y2 + -0.4444444444 + 0.2222222222y2 Reorder the terms: -0.4444444444 + x2 + 0.2222222222y2 = 0.4444444444 + -0.4444444444 + -0.2222222222y2 + 0.2222222222y2 Combine like terms: 0.4444444444 + -0.4444444444 = 0.0000000000 -0.4444444444 + x2 + 0.2222222222y2 = 0.0000000000 + -0.2222222222y2 + 0.2222222222y2 -0.4444444444 + x2 + 0.2222222222y2 = -0.2222222222y2 + 0.2222222222y2 Combine like terms: -0.2222222222y2 + 0.2222222222y2 = 0.0000000000 -0.4444444444 + x2 + 0.2222222222y2 = 0.0000000000 The solution to this equation could not be determined.
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