Question

help, va rog!!!!! :((​

Answer 1

x-3 divide 9

x-3={1,-1,3,-3,9,-9}

x={4,2,6,0,12,-6}

A={4,2,6,0,12,-6}

6 divizivil cu x

x={1,-1,2-2,3,-3,6,-6}

4 divizibil cu x

x={1,-1,2,-2,4,-4}

B={1,-1,2,-2,3,-3,4,-4,6,-6}

A∩B={2,4,6,-6}