Question

Find the value of each of the following expressions when x = -1, y =-2 , z =2
(a) 2z (4z - x) + 2y (6y – 9z) + -2x (3x – 4y)

(b) - 2 (2 - x²) + 7 (x - y - z²)


pls solve questions in rough copy and post the pic



If you know answer than only give me answer don't write nonsense thing​

Answer 1

Answer:

a) -74

b) -51

Step-by-step explanation:

I hope it is helpful for you

Answer 2

Answer:

Sorry I had the wrong answer

Step-by-step explanation:

I had to delete it