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<div align="center"> </div> <div style="text-align: center;"> <table style="color: #003300; border: 4px solid #003300; float: none; text-align: center; vertical-align: middle; width: 400px; background-image: url('http://www.insmilaifontanals.cat/none'); background-color: #ffffcc;" border="4" frame="void" rules="none" align="center"> <tbody> <tr align="center"> <td style="color: #ffcc00; vertical-align: top; border: 1px none #003300; text-align: center; width: 100%; background-image: url('http://www.insmilaifontanals.cat/none'); background-color: #003300;" valign="top"><span style="font-size: large; color: #ffff99;">Equació de 2n grau completa <br />Càlcul de les 2 solucions</span></td> </tr> <tr> <td valign="top" width="100%"><span style="font-weight: bold; color: #003300; font-size: small;" data-mce-mark="1">Quan el discriminant és positiu, es poden calcular les dues solucions amb:<br /></span> <div style="text-align: center;"><span style="font-weight: bold; color: #003300; font-size: small;" data-mce-mark="1"><span class="nolink" data-mce-mark="1">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi mathvariant=¨bold¨»x«/mi»«mo»§nbsp;«/mo»«mo»=«/mo»«mo»§nbsp;«/mo»«mfrac»«mrow»«mo»-«/mo»«mi mathvariant=¨bold¨»b«/mi»«mo»±«/mo»«msqrt»«mi mathvariant=¨bold¨»§#916;«/mi»«/msqrt»«/mrow»«mrow»«mn»2«/mn»«mo»·«/mo»«mi mathvariant=¨bold¨»a«/mi»«/mrow»«/mfrac»«/math»</span></span><br /><span style="font-weight: bold; color: #003300; font-size: small;" data-mce-mark="1">La més petita s'anomena x<sub>1</sub> i la més gran x<sub>2</sub>.</span></div> </td> </tr> </tbody> </table> </div> <div style="text-align: center;"> </div>
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