Answer:
You may divide by a variable. But only if you know the variable is non-zero. So, if setting the variable to zero makes both sides of the equation zero, we have a solution that that variable is 0, or the equation with the variable divided out holds. E.g. solve x(x-1) = 0. you wecomle thank me later
But before closing<span> I </span>am impelled<span> to </span>mention one other point<span> in </span>your statement<span> that </span>troubled me profoundly<span>. </span>You<span> ... </span>You warmly commended<span> the </span>Birmingham police force<span> for </span>keeping<span> “</span>order” and “preventing violence<span>.” I </span>don't believe you<span> would have so </span>warmly commended<span> the </span>police force<span> if </span>you<span> had seen its angry violent dogs ..</span>
