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Simplifying 4(x2 + 3y2) + -1y(x2 + 5y) = 0 (x2 * 4 + 3y2 * 4) + -1y(x2 + 5y) = 0 (4x2 + 12y2) + -1y(x2 + 5y) = 0 4x2 + 12y2 + (x2 * -1y + 5y * -1y) = 0 4x2 + 12y2 + (-1x2y + -5y2) = 0 Reorder the terms: 4x2 + -1x2y + 12y2 + -5y2 = 0 Combine like terms: 12y2 + -5y2 = 7y2 4x2 + -1x2y + 7y2 = 0 Solving 4x2 + -1x2y + 7y2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7y2' to each side of the equation. 4x2 + -1x2y + 7y2 + -7y2 = 0 + -7y2 Combine like terms: 7y2 + -7y2 = 0 4x2 + -1x2y + 0 = 0 + -7y2 4x2 + -1x2y = 0 + -7y2 Remove the zero: 4x2 + -1x2y = -7y2 Combine like terms: -7y2 + 7y2 = 0 4x2 + -1x2y + 7y2 = 0 The solution to this equation could not be determined.
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