Write an algebraic expression that uses x, y, and z and simplifies to the given value when x = -3, y = -2, and z = -1. The expression should involve only multiplication or division.

Question

How to do this when value is -16?

Answer 1

there are a zillion ways to form an expression that evaluates to -16.

x^2 y + 2z
(1-x)y^2 z
5x+y-z
...
let your imagination run wild!

Answer 2

But the expression says only multiplication and division are allowed.