Question

if x=1 ,y=2 and z=1 find the value of 3X2 - 2y2 + xyz

Answer 1

Step-by-step explanation:

x = 1 ,y =2 , z= 1

312 - 222 + 121

433 - 222

211

Answer 2

if x=1 ,y=2 and z=1 find the value of 3X2 - 2y2 + xyz