How do you find the product of #(n-3)(n+3)#?

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How do you find the product of #(n-3)(n+3)#?

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Answer 1 · 2017-05-10T14:51:22

#color(blue)(n^2-9#

Explanation:

#(n-3)(n+3)#
#color(white)(......................)n-3#
#color(white)(.................) xx n+3#
#color(white)(......................)overline(n^2-3n)#
#color(white)(.........................)+3n-9#
#color(white)(......................)overlinecolor(blue)((n^2" "-9)#

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How do you find the product of #(n-3)(n+3)#?

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