<p>Simplify &nbsp;<span class="math-editor mathquill-rendered-math"><span class="roman font"><span class="non-leaf"><span class="scaled paren" style="transform: scale(1.2, 2.275);">[</span><span class="non-leaf"><span class="fraction non-leaf"><span class="numerator">2</span><span class="denominator">7</span><span style="display: inline-block; width: 0;">&nbsp;</span></span></span><span class="scaled paren" style="transform: scale(1.2, 2.275);">]</span></span></span><sup class="non-leaf">2</sup><span class="binary-operator">&times;</span><span class="roman font"><span class="non-leaf"><span class="scaled paren" style="transform: scale(1.2, 2.275);">[</span><span class="non-leaf"><span class="fraction non-leaf"><span class="numerator">2</span><span class="denominator">7</span><span style="display: inline-block; width: 0;">&nbsp;</span></span></span><span class="scaled paren" style="transform: scale(1.2, 2.275);">]</span></span></span><sup class="non-leaf">&minus;5</sup><span class="binary-operator">&times;</span><span class="roman font"><span class="non-leaf"><span class="scaled paren" style="transform: scale(1.2, 2.275);">[</span><span class="non-leaf"><span class="fraction non-leaf"><span class="numerator">2</span><span class="denominator">7</span><span style="display: inline-block; width: 0;">&nbsp;</span></span></span><span class="scaled paren" style="transform: scale(1.2, 2.275);">]</span></span></span><sup class="non-leaf">7</sup></span>&nbsp;</p>