distribute the -3 and the square into the first equation multiply the second equation by 2 add the equations together factor out -3 factor inside parenthesis refine
<span>Watching television and reading newspaper are not independent events because P(A|B)=P(A) and P(B|A)=P(B) . I might be wrong so try to look at it a little closer before you take my word for it. </span>