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15-02-2017
Mathematics

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

Could s

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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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