• (3x² + 6cos(0))·(3x² - 6cos(0)) =
• (6b^-1 - 5x²)·(7x - a³) =
• (6c³ - 5x^-2)·(a - 3c²) =
• (6x^-2 - 3c^-2)·(6x^-2 + 3c^-2) =
• (6b^-2 - 8c^-2)² =
• (5cos(0)^-2 - 3c³)·(5cos(0)^-2 + 3c³) =
• (8a^-2 + x²)·(3a + 6x^-2) =
• (7a^-1 - 7b²)·(8c³ + x²) =
• (8c² + 8x^-1)·(8c² - 8x^-1) =
• (3cos(π/2)^-2 - 3x^-2)·(3c² + 8a^-2) =
• (7b^-2 - 8c)² =
• (8cos(π)³ - b²)·(5a - 3c) =
• (5cos(0)³ + 7c)² =
• (7c^-2 - 7cos(π/2)²)·(7c^-2 + 7cos(π/2)²) =
• (7a + 6c^-2)·(3b² - a^-2) =
• (b + 8c²)·(8a^-1 - 7cos(π/2)²) =
• (7a² + 6c^-1)·(7a² - 6c^-1) =
• (7cos(0) + x³)·(7cos(0) - x³) =
• (7cos(π/2)³ + 7cos(π/2)³)·(7cos(π/2)³ - 7cos(π/2)³) =
• (7cos(0)^-1 + 5x²)·(7b^-1 - 8cos(2π/3)²) =
• (7b^-1 + 7a²)·(7b^-1 - 7a²) =
• (5x^-1 - 7b³)·(5x^-1 + 7b³) =
• (3x³ + 7b)·(3a + 7x³) =
• (5x - 3b^-2)·(3x^-1 + 7x^-1) =
• (c^-2 + 3c^-2)·(c^-2 - 3c^-2) =