Question

find the value of (x - y - z)³ + 3xy(y - z) when x=-1, y=-1, z=-​

Answer 1

Answer:

answer is 1

Step-by-step explanation:

(x-y-z)3 +3xy(y-z)

x=-1, y=-1, z=-1

((-1)-(-1)-(-1))3 +3(-1)(-1)((-1)-(-1))

(1)3+3((-1)-(-1))

(1)3+3(0)

1+0

=1