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Simplifying 5x2 + 4xy + 7y2 + 4x2 + -4xy + 4y2 = 0 Reorder the terms: 4xy + -4xy + 5x2 + 4x2 + 7y2 + 4y2 = 0 Combine like terms: 4xy + -4xy = 0 0 + 5x2 + 4x2 + 7y2 + 4y2 = 0 5x2 + 4x2 + 7y2 + 4y2 = 0 Combine like terms: 5x2 + 4x2 = 9x2 9x2 + 7y2 + 4y2 = 0 Combine like terms: 7y2 + 4y2 = 11y2 9x2 + 11y2 = 0 Solving 9x2 + 11y2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-11y2' to each side of the equation. 9x2 + 11y2 + -11y2 = 0 + -11y2 Combine like terms: 11y2 + -11y2 = 0 9x2 + 0 = 0 + -11y2 9x2 = 0 + -11y2 Remove the zero: 9x2 = -11y2 Divide each side by '9'. x2 = -1.222222222y2 Simplifying x2 = -1.222222222y2 Combine like terms: -1.222222222y2 + 1.222222222y2 = 0.000000000 x2 + 1.222222222y2 = 0.000000000 The solution to this equation could not be determined.
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