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Simplifying (X2 + 4)(Y2 + 9) = 0 Reorder the terms: (4 + X2)(Y2 + 9) = 0 Reorder the terms: (4 + X2)(9 + Y2) = 0 Multiply (4 + X2) * (9 + Y2) (4(9 + Y2) + X2(9 + Y2)) = 0 ((9 * 4 + Y2 * 4) + X2(9 + Y2)) = 0 ((36 + 4Y2) + X2(9 + Y2)) = 0 (36 + 4Y2 + (9 * X2 + Y2 * X2)) = 0 (36 + 4Y2 + (9X2 + X2Y2)) = 0 Reorder the terms: (36 + 9X2 + X2Y2 + 4Y2) = 0 (36 + 9X2 + X2Y2 + 4Y2) = 0 Solving 36 + 9X2 + X2Y2 + 4Y2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-36' to each side of the equation. 36 + 9X2 + X2Y2 + -36 + 4Y2 = 0 + -36 Reorder the terms: 36 + -36 + 9X2 + X2Y2 + 4Y2 = 0 + -36 Combine like terms: 36 + -36 = 0 0 + 9X2 + X2Y2 + 4Y2 = 0 + -36 9X2 + X2Y2 + 4Y2 = 0 + -36 Combine like terms: 0 + -36 = -36 9X2 + X2Y2 + 4Y2 = -36 Add '-4Y2' to each side of the equation. 9X2 + X2Y2 + 4Y2 + -4Y2 = -36 + -4Y2 Combine like terms: 4Y2 + -4Y2 = 0 9X2 + X2Y2 + 0 = -36 + -4Y2 9X2 + X2Y2 = -36 + -4Y2 Reorder the terms: 36 + 9X2 + X2Y2 + 4Y2 = -36 + -4Y2 + 36 + 4Y2 Reorder the terms: 36 + 9X2 + X2Y2 + 4Y2 = -36 + 36 + -4Y2 + 4Y2 Combine like terms: -36 + 36 = 0 36 + 9X2 + X2Y2 + 4Y2 = 0 + -4Y2 + 4Y2 36 + 9X2 + X2Y2 + 4Y2 = -4Y2 + 4Y2 Combine like terms: -4Y2 + 4Y2 = 0 36 + 9X2 + X2Y2 + 4Y2 = 0 The solution to this equation could not be determined.
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