marcus22
marcus22 marcus22
  • 13-07-2017
  • Mathematics
contestada

x^2-8xy+16y^2 factor completely

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apologiabiology
apologiabiology apologiabiology
  • 13-07-2017
neato
um
requires some trial and error
erm
ah hah

what 2 numbers multiply to get 16 and add to get -8
-4 and -4
(x-4y)(x-4y)
(x-4y)²
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jbmow
jbmow jbmow
  • 13-07-2017
(x-4y)(x-4y)  this is the square of (x-4y)
                                                                   
                                                                              
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