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• 3x-7=0 3x=7 x=7/3 6x=0 x=0 x-4-5x+1=0 -4x-3=0 -4x=3 -x=3/4 x=-3/4 3x-(7x-1)=0 -4x+1=0 -4x=-1 x=1/4

  in Determine os zeros das seguintes funções :? Comment by ashley-clarke_60a7a9e8d6a8a May 2021