Question

multiply and verify the result when x=2,y=-1,z=-2
Question: -2x²y(y²z²-x²z+xy³)​

Answer 1

Answer:

80

Step-by-step explanation:

putting values of x,y,z

-2(2)²(-1) [(-1)²(-2)²-(2)²(-2)+(2)(-1)³]

-2(-4)[(4)-(4)(-2)+(-2)]

8 [ 4-(-8)-2]

8 [ 4+8-2}

8 [10]

80