Answer :

zaara786
it's 'c'
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s2kumar20075

Question

the expression x^2-y^2+x+y-z^2+2yz-z has one factor,which is

a) y-x+z

b) x-y+z+1

c) x+y-z+1

d) x-y-z+1

Answer:

c) x+y-z+1

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