Question

9. Evaluate the following at x =-1, y =-2, = 0 :
(a) (x + y +z) - x2 - y2 - 22
ct
(c) (x+y+z)(x+y - z)- xy - y z + xzº - 4xy (c
(e) 3x2 - 4y + 5z2x - 2xy - 3x²z + 3xyz​

Answer 1

Answer:

a) -51

Step-by-step explanation:

(-1-2+0)*1+4-22

-3*17

-51

Answer 2

Answer:

mam teacher can you say this answer mam please add the following fraction please