Question

evaluate each expression when x=2, y= 3, and z= 5
[y2-x3]

Answer 1

where is z in this equation??

but anyhoy you have to plug in the 3 for y and 2 for x

[3(2) - 2(3)]

Answer 2

3 x 2 = 6
2 x 3 = 6

6-6 = 0