span> <span class="special">(((((</span><span class="identifier">a</span><span class="special">[</span><span class="number">6</span><span class="special">]</span> <span class="special">*</span> <span class="identifier">x</span> <span class="special">+</span> <span class="identifier">a</span><span class="special">[</span><span class="number">5</span><span class="special">])</span> <span class="special">*</span> <span class="identifier">x</span> <span class="special">+</span> <span class="identifier">a</span>