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Simplifying (x2 + 1)(y2 + 1) = 0 Reorder the terms: (1 + x2)(y2 + 1) = 0 Reorder the terms: (1 + x2)(1 + y2) = 0 Multiply (1 + x2) * (1 + y2) (1(1 + y2) + x2(1 + y2)) = 0 ((1 * 1 + y2 * 1) + x2(1 + y2)) = 0 ((1 + 1y2) + x2(1 + y2)) = 0 (1 + 1y2 + (1 * x2 + y2 * x2)) = 0 (1 + 1y2 + (1x2 + x2y2)) = 0 Reorder the terms: (1 + 1x2 + x2y2 + 1y2) = 0 (1 + 1x2 + x2y2 + 1y2) = 0 Solving 1 + 1x2 + x2y2 + 1y2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + 1x2 + x2y2 + -1 + 1y2 = 0 + -1 Reorder the terms: 1 + -1 + 1x2 + x2y2 + 1y2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 1x2 + x2y2 + 1y2 = 0 + -1 1x2 + x2y2 + 1y2 = 0 + -1 Combine like terms: 0 + -1 = -1 1x2 + x2y2 + 1y2 = -1 Add '-1y2' to each side of the equation. 1x2 + x2y2 + 1y2 + -1y2 = -1 + -1y2 Combine like terms: 1y2 + -1y2 = 0 1x2 + x2y2 + 0 = -1 + -1y2 1x2 + x2y2 = -1 + -1y2 Reorder the terms: 1 + 1x2 + x2y2 + y2 = -1 + -1y2 + 1 + y2 Reorder the terms: 1 + 1x2 + x2y2 + y2 = -1 + 1 + -1y2 + y2 Combine like terms: -1 + 1 = 0 1 + 1x2 + x2y2 + y2 = 0 + -1y2 + y2 1 + 1x2 + x2y2 + y2 = -1y2 + y2 Combine like terms: -1y2 + y2 = 0 1 + 1x2 + x2y2 + y2 = 0 The solution to this equation could not be determined.
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