Matematik

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