Respuesta :

Answer:

> Using the remainder theorem, set x + 4 to be equal to 0, i.e.

Step-by-step 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