Question

simplify and then find its value if x=1,y=0,z=-1
(2x - y) + y(z - 2) + x(y - z)​

Answer 1

(2x-y)+y(z-2)+x(y-z)

(2x-y)+(zy-2y)+(yx-zx)

x=1, y=0, z=-1

Substituting these values

[2(1)-0]+[-1(0)-2(0)]+[0(1)-(-1)(1)]

2+0+1

3

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