Question

1. Evaluate x³ + y³ + z³ - 3xyz when x = -2, y = -1 and z= 3​

Answer 1

Answer:

18 is the answer

helpful or not comment me☺

Answer 2

Answer:

-2cube + -1 cube + 3cube -3XYZ

Step-by-step explanation:

So,

-8+-1+27 - 3(-8X-1X27)

-8-1+27+24X3X-81

-9+51X3X-81

45X3X-81

135X-81

=(-10935)