<span><span><span>3<span>d3</span></span>+<span>4<span>d2</span></span></span>+<span>2d</span></span>−3 and <span><span>−<span>2<span>w2</span></span></span>+<span>10w</span></span>−7 and <span>4<span>z3</span></span>−<span>6<span>z<span>2</span></span></span>
