Subtract <span><span>14x</span><span>14x</span></span> from <span><span>12x</span><span>12x</span></span> to get <span><span><span>−2</span>x</span><span><span>-2</span>x</span></span>.<span><span><span>−2</span>x</span><span>−<span>10</span></span></span>
