Question

Find the value of
3 3 3
x y z xyz  + – 3
if
2 2 2
x y z   + 83
and x + y + z = 15.

Answer 1

Find the value of

3 3 3

x y z xyz  + – 3

if

2 2 2

x y z   + 83

and x + y + z = 15.