Answer:
2x³ + 3(3x - 4)(x + 1)
Step-by-step explanation:
(2x³ + 7x² + x) + 2(x² - 2x - 6)
2x³ + 7x² + x + 2x² - 4x - 12
2x³ + 9x² - 3x - 12
2x³ + 3(3x² - x - 4)
2x³ +3(3x - 4)(3x + 3)/3
2x³ + (3x - 4)(3x + 3)
