Question

Add the following : 2x-y+2xy,y+z-yz,z-x+xz
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Answer 1

Answer:

2x - y + 2xy + y + z - yz + z - x + xz

x + 2z + 2xy - yz + xz

Answer 2

Answer:

= 2x-y+2xy+y+z-yz+z-x+xz

= 2x-x-y+y+2xy+z+z-yz+xy

= x+2xy+2z-yz-xz