=<span><span><span><span><span>16<span>x4</span></span>+<span>40<span>x3</span></span></span>+<span>5<span>x2</span></span></span>−<span>25x</span></span>−<span>6</span></span>
Both of these numbers had 2 and 5 in their factor
<span>-5/12*8/13 to the lowest terms which equal -10/39.</span>