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posted by Angelica Sunday, April 18, 2010 at 10:26pm.
I don't understand how you do these 2 problems. (p-7)(p+8) & (-7+p)(8+p)
if you have to find P then set them equal to zero eg p-7=0 p=7 OR foil it out eg (p-7)(p+8)=P2+p-56
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