Question

Evaluate the expressions for when x=-1, y=3, z=-2

z²+x²-y and x²y²z²

Answer 1

Explanation:

z² +x² - y= -2²+ -1² - 3

4+ 1 - 3= 2

x²y²z²= -1²× 3²× -2²

1× 9× 4= 36