-10x4 - 11x2 + 8
9x² - 81x + 50
3a² + 8a – 35
-6x8 + 7x4 + 5
3a2 – 13a + 4
(a - 4) (3a - 1)
(5x2 - 8) (2x2 + 1)
(5 - 3x4) (2x4 + 1)
(3x - 25) (3x - 2)
(3a - 7) (a+ 5)
