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Simplifying (x + 2y + -1)(x + 2y + 1) = 0 Reorder the terms: (-1 + x + 2y)(x + 2y + 1) = 0 Reorder the terms: (-1 + x + 2y)(1 + x + 2y) = 0 Multiply (-1 + x + 2y) * (1 + x + 2y) (-1(1 + x + 2y) + x(1 + x + 2y) + 2y * (1 + x + 2y)) = 0 ((1 * -1 + x * -1 + 2y * -1) + x(1 + x + 2y) + 2y * (1 + x + 2y)) = 0 ((-1 + -1x + -2y) + x(1 + x + 2y) + 2y * (1 + x + 2y)) = 0 (-1 + -1x + -2y + (1 * x + x * x + 2y * x) + 2y * (1 + x + 2y)) = 0 Reorder the terms: (-1 + -1x + -2y + (1x + 2xy + x2) + 2y * (1 + x + 2y)) = 0 (-1 + -1x + -2y + (1x + 2xy + x2) + 2y * (1 + x + 2y)) = 0 (-1 + -1x + -2y + 1x + 2xy + x2 + (1 * 2y + x * 2y + 2y * 2y)) = 0 Reorder the terms: (-1 + -1x + -2y + 1x + 2xy + x2 + (2xy + 2y + 4y2)) = 0 (-1 + -1x + -2y + 1x + 2xy + x2 + (2xy + 2y + 4y2)) = 0 Reorder the terms: (-1 + -1x + 1x + 2xy + 2xy + x2 + -2y + 2y + 4y2) = 0 Combine like terms: -1x + 1x = 0 (-1 + 0 + 2xy + 2xy + x2 + -2y + 2y + 4y2) = 0 (-1 + 2xy + 2xy + x2 + -2y + 2y + 4y2) = 0 Combine like terms: 2xy + 2xy = 4xy (-1 + 4xy + x2 + -2y + 2y + 4y2) = 0 Combine like terms: -2y + 2y = 0 (-1 + 4xy + x2 + 0 + 4y2) = 0 (-1 + 4xy + x2 + 4y2) = 0 Solving -1 + 4xy + x2 + 4y2 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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