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<table style="border: 4px solid #000099; margin-left: auto; margin-right: auto; width: 400px; background-color: #ffffcc;" border="4"> <tbody> <tr> <td style="background-color: #000099;" align="center" valign="middle"><span style="font-size: large; color: #ffff99;" data-mce-mark="1">Extracció de factors</span></td> </tr> <tr> <td> <p><strong style="color: #000080; line-height: 1.4;">Per extreure un factor, es DIVIDEIX la seva potència per l'índex (el quocient queda a fora, i el residu a dins):</strong></p> <p><span style="color: #000080;" data-mce-mark="1"><strong>«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mroot mathcolor=¨#00007F¨»«msup»«mi mathvariant=¨bold¨»x«/mi»«mn mathvariant=¨bold¨»11«/mn»«/msup»«mn»4«/mn»«/mroot»«mo mathvariant=¨bold¨ mathcolor=¨#00007F¨»§#160;«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#00007F¨»=«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#00007F¨»§#160;«/mo»«msup mathcolor=¨#00007F¨»«mi mathvariant=¨bold¨ mathcolor=¨#00007F¨»x«/mi»«mn mathvariant=¨bold¨»2«/mn»«/msup»«mo mathvariant=¨bold¨ mathcolor=¨#00007F¨»§#160;«/mo»«mroot mathcolor=¨#00007F¨»«msup»«mi mathvariant=¨bold¨»x«/mi»«mn mathvariant=¨bold¨»3«/mn»«/msup»«mn mathvariant=¨bold¨»4«/mn»«/mroot»«/math» (11: = 2 ·4 + 3) </strong></span></p> <p><span style="color: #000080;" data-mce-mark="1"><strong>També es pot fer així: «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mroot mathcolor=¨#00007F¨»«msup»«mi mathvariant=¨bold¨»x«/mi»«mn mathvariant=¨bold¨»11«/mn»«/msup»«mn mathvariant=¨bold¨»4«/mn»«/mroot»«mo mathvariant=¨bold¨ mathcolor=¨#00007F¨»=«/mo»«mroot mathcolor=¨#00007F¨»«mrow»«msup»«mi mathvariant=¨bold¨»x«/mi»«mn mathvariant=¨bold¨»4«/mn»«/msup»«mo mathvariant=¨bold¨»§#183;«/mo»«msup»«mi mathvariant=¨bold¨»x«/mi»«mn mathvariant=¨bold¨»4«/mn»«/msup»«mo mathvariant=¨bold¨»§#183;«/mo»«msup»«mi mathvariant=¨bold¨»x«/mi»«mn mathvariant=¨bold¨»3«/mn»«/msup»«/mrow»«mn mathvariant=¨bold¨»4«/mn»«/mroot»«mo mathvariant=¨bold¨ mathcolor=¨#00007F¨»=«/mo»«msup mathcolor=¨#00007F¨»«mi mathvariant=¨bold¨ mathcolor=¨#00007F¨»x«/mi»«mn mathvariant=¨bold¨»2«/mn»«/msup»«mo mathvariant=¨bold¨ mathcolor=¨#00007F¨»§#160;«/mo»«mroot mathcolor=¨#00007F¨»«msup»«mi mathvariant=¨bold¨»x«/mi»«mn mathvariant=¨bold¨»3«/mn»«/msup»«mn mathvariant=¨bold¨»4«/mn»«/mroot»«/math»</strong></span></p> </td> </tr> </tbody> </table>
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