<span><span><span>x^2</span></span><span><span>+<span>4x</span></span><span>-5</span></span></span> using the AC method.<span><span><span>(<span>x<span>−1</span></span>)</span><span>(<span>x+5</span>)/</span></span><span>1<span>−<span>x which gives you -x-5</span></span></span></span>
