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Simplifying y2 + 28x + 7y + 4xy = 0 Reorder the terms: 28x + 4xy + 7y + y2 = 0 Solving 28x + 4xy + 7y + y2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7y' to each side of the equation. 28x + 4xy + 7y + -7y + y2 = 0 + -7y Combine like terms: 7y + -7y = 0 28x + 4xy + 0 + y2 = 0 + -7y 28x + 4xy + y2 = 0 + -7y Remove the zero: 28x + 4xy + y2 = -7y Add '-1y2' to each side of the equation. 28x + 4xy + y2 + -1y2 = -7y + -1y2 Combine like terms: y2 + -1y2 = 0 28x + 4xy + 0 = -7y + -1y2 28x + 4xy = -7y + -1y2 Reorder the terms: 28x + 4xy + 7y + y2 = -7y + 7y + -1y2 + y2 Combine like terms: -7y + 7y = 0 28x + 4xy + 7y + y2 = 0 + -1y2 + y2 28x + 4xy + 7y + y2 = -1y2 + y2 Combine like terms: -1y2 + y2 = 0 28x + 4xy + 7y + y2 = 0 The solution to this equation could not be determined.
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