Answer:
> Using the remainder theorem, set x + 4 to be equal to 0, i.e. 
Explanation:
> Using the remainder theorem, set x + 4 to be equal to 0, i.e. 
x + 4 = 0 
x = - 4 
=> Substitute - 4 for x in 3x² - x - 2, i.e. 
3(- 4)² - (- 4) - 2 
= 3 * 16 + 4 - 2 
= 48 + 4 - 2 
= 52 - 2 
= 50 ... 
-4|----3----(-1)----(-2) 
-------------(-12)------52 
________________ 
------3------(-13)----50