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Simplifying X2 + 2xy + -7xy + 4y2 = 0 Combine like terms: 2xy + -7xy = -5xy X2 + -5xy + 4y2 = 0 Solving X2 + -5xy + 4y2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '5xy' to each side of the equation. X2 + -5xy + 5xy + 4y2 = 0 + 5xy Combine like terms: -5xy + 5xy = 0 X2 + 0 + 4y2 = 0 + 5xy X2 + 4y2 = 0 + 5xy Remove the zero: X2 + 4y2 = 5xy Add '-4y2' to each side of the equation. X2 + 4y2 + -4y2 = 5xy + -4y2 Combine like terms: 4y2 + -4y2 = 0 X2 + 0 = 5xy + -4y2 X2 = 5xy + -4y2 Simplifying X2 = 5xy + -4y2 Reorder the terms: X2 + -5xy + 4y2 = 5xy + -5xy + -4y2 + 4y2 Combine like terms: 5xy + -5xy = 0 X2 + -5xy + 4y2 = 0 + -4y2 + 4y2 X2 + -5xy + 4y2 = -4y2 + 4y2 Combine like terms: -4y2 + 4y2 = 0 X2 + -5xy + 4y2 = 0 The solution to this equation could not be determined.
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