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Mathematics

Answered

Q: Resolve into factor:
xy+x+y+1

Answer :

Regmiprincy224go Regmiprincy224go

xy+x+y+1

x(y+1) +1(y+1)

(y+1)(x+1)=0

y+1=0 and x+1=0

x=-1 and y=-1

factor are (y+1) and (x+1)

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