Phép chia đa thức <span class="MathJax_Preview" style="color: inherit;"><span class="MJXp-math" id="MJXp-Span-1"><span class="MJXp-mstyle" id="MJXp-Span-2"><span class="MJXp-mn" id="MJXp-Span-3">2</span><span class="MJXp-msubsup" id="MJXp-Span-4"><span class="MJXp-mi MJXp-italic" id="MJXp-Span-5" style="margin-right: 0.05em;">x</span><span class="MJXp-mn MJXp-script" id="MJXp-Span-6" style="vertical-align: 0.5em;">4</span></span><span class="MJXp-mo" id="MJXp-Span-7" style="margin-left: 0.267em; margin-right: 0.267em;">−</span><span class="MJXp-mn" id="MJXp-Span-8">3</span><span class="MJXp-msubsup" id="MJXp-Span-9"><span class="MJXp-mi MJXp-italic" id="MJXp-Span-10" style="margin-right: 0.05em;">x</span><span class="MJXp-mn MJXp-script" id="MJXp-Span-11" style="vertical-align: 0.5em;">3</span></span><span class="MJXp-mo" id="MJXp-Span-12" style="margin-left: 0.267em; margin-right: 0.267em;">+</span><span class="MJXp-mn" id="MJXp-Span-13">3</span><span class="MJXp-mi MJXp-italic" id="MJXp-Span-14">x</span><span class="MJXp-mo" id="MJXp-Span-15" style="margin-left: 0.267em; margin-right: 0.267em;">−</span><span class="MJXp-mn" id="MJXp-Span-16">2</span></span></span></span><script type="math/tex" id="MathJax-Element-1">\Large 2x^4-3x^3+3x-2</script> cho đa thức \(\Large x^2-1