factonize the following expression x (1+y)+(7+7y)
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no meaning of the question
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Step-by-step explanation:
x(1+y)+(7+7y)=0
x+xy+7+7y=0
x(1+y)+7(1+y)=0
(x+7) (y+1)=0
x+7=0. y+1=0
x= -7. y= -1
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