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
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