Question

. (a) 3x²y - 2yz + 4xyz for x = -2, y = 1, z = 3 ​

Answer 1

=3(-2)^2 X (1) - [2(1)(3)] - 4[(-2)(1)(3)]

=3(4)(2)-6-4(-6)

=24-6+24

=42

Answer 2

Answer:

Step-by-step explanation:

3(-2)^2 X (1) - [2(1)(3)] - 4[(-2)(1)(3)]

=3(4)(2)-6-4(-6)

=24-6+24

=42