Homework Help: math, answer please!

Posted by Angelica on 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)

math, answer please! - Pierre, Sunday, April 18, 2010 at 10:36pm
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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