Posted by **Linda** on Monday, June 4, 2007 at 4:17pm.

Multiply(x-2)(x+2)

I am totally lost!

just foil it out

take the first 2 terms from each parentheses and multiply them. then add the product of the inside and outside terms, then add the product of the last 2 terms

= x^2-2x+2x-4= x^2-4

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