emkinney emkinney
  • 15-02-2017
  • Mathematics
contestada

(4k+5)(k+1)=o


Could s

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apologiabiology
apologiabiology apologiabiology
  • 15-02-2017
rememeber, if ab=0, then assume that a and b=0

assumig yo meant (4k+5)(k+1)=0
set each to zero

4k+5=0
4k=-5
k=-5/4

k+1=0
k=-1


k=-5/4 and/or -1
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