Question

Compute the following expressions for the given values of the variables.

(a)
$3x^{2} y - 2yz + 4xyz \: for \: x = - 2 \: \: y = 1 \: \: z = 3$
Pls give full solution ​

Answer 1

Answer:

$3x {}^{2}y - 2yz + 4xyz \\ 3 \times ( - 2) \times 1 - 2 \times 1 \times 3 + 4 \times ( - 2)1 \times 3 \\ - 6 - 6 + 24 \\ - 12 + 24 \\ 12$