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put this solution on YOUR website!(8 – 8)(7 – p) = 0
This is an identity. Check it out:
(8-8)=0
(7-p)=(7-p)
Plug in these values into (8-8)(7-p)=0
(0)(7-p)=0
This is saying "zero times a quantity equals zero". This is always true, no matter what the quantity is, which makes this an identity.