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anonymous
 4 years ago
(x + 2)(x  2)
anonymous
 4 years ago
(x + 2)(x  2)

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Will you take care of this freckles?

freckles
 4 years ago
Best ResponseYou've already chosen the best response.2Recall in your earlier post that: \[(xy)(x+y)=x(x+y)y(x+y)=x(x)+x(y)y(x)y(y)\] \[=x^2+xyxyy^2=x^2y^2 \]

freckles
 4 years ago
Best ResponseYou've already chosen the best response.2\[(xy)(x+y)=x^2y^2 \]

freckles
 4 years ago
Best ResponseYou've already chosen the best response.2So you are multiplying conjugates all you have to do is do the first^2last^2
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