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Use the distributive property to remove the parentheses. (x-8)(x-4)

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1 Answer

(x - 8)(x - 4)
 
Multiply the two terms I have shown in orange (=x2)
 
(x - 8)(x - 4)
 
Multiply the two terms I have shown in green (=-4x)
 
(x - 8)(x - 4)
 
Multiply the two bold terms: (= -8x)
 
(x - 8)(x - 4)
 
Multiply the two terms in bold orange (=32) (Watch the sign: two negative quantities multiplied by one another equals a positive quantity.
 
Add all the quantities:
 
x2 - 4x - 8x + 32
 
Final answer is x2 - 12x + 32
 

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