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<div align="left"> </div> <div style="text-align: center;" align="center"> <table style="color: #000066; border: 4px solid #003300; float: none; text-align: left; vertical-align: top; width: 400px; background-image: url('http://lcmates.eu/none'); background-color: #ffffcc;" border="4" frame="void" rules="none" align="center"> <tbody align="center"> <tr> <td style="background-color: #003300; background-image: url('http://lcmates.eu/none'); color: #ffcc00; border-color: #003300; border-width: 4px; vertical-align: top; border-style: solid; text-align: center; width: 100%;" valign="top"><span style="font-size: large; color: #ffffc3;" data-mce-mark="1">Equació incompleta: «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨20px¨»«mrow»«msup mathcolor=¨#FFFFC3¨»«mi mathcolor=¨#FFFFC3¨»ax«/mi»«mn»2«/mn»«/msup»«mo mathcolor=¨#FFFFC3¨»+«/mo»«mi mathcolor=¨#FFFFC3¨»bx«/mi»«mo mathcolor=¨#FFFFC3¨»=«/mo»«mn mathcolor=¨#FFFFC3¨»0«/mn»«/mrow»«/mstyle»«/math»</span></td> </tr> <tr> <td valign="top" width="100%"> <p><span style="color: #003300;"><strong><span style="font-size: small;" data-mce-mark="1">Per resoldre una equació del tipus ax<sup style="font-weight: bold;">2</sup> + bx = 0, </span></strong></span></p> <p><span style="color: #003300;"><strong><span style="font-size: small;" data-mce-mark="1">es treu factor comú:</span></strong></span></p> <p>«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«msup mathcolor=¨#003300¨»«mi mathvariant=¨bold¨ mathcolor=¨#003300¨»ax«/mi»«mn mathvariant=¨bold¨»2«/mn»«/msup»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»+«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#003300¨»bx«/mi»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»=«/mo»«mn mathvariant=¨bold¨ mathcolor=¨#003300¨»0«/mn»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#8660;«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#003300¨»x«/mi»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»(«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#003300¨»ax«/mi»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»+«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#003300¨»b«/mi»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»)«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»=«/mo»«mn mathvariant=¨bold¨ mathcolor=¨#003300¨»0«/mn»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#8660;«/mo»«mfenced mathcolor=¨#003300¨ open=¨{¨ close=¨}¨»«mtable»«mtr»«mtd»«mi mathvariant=¨bold¨»x«/mi»«mo mathvariant=¨bold¨»=«/mo»«mn mathvariant=¨bold¨»0«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi mathvariant=¨bold¨»ax«/mi»«mo mathvariant=¨bold¨»+«/mo»«mi mathvariant=¨bold¨»b«/mi»«mo mathvariant=¨bold¨»=«/mo»«mn mathvariant=¨bold¨»0«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«/math»</p> <p><span style="color: #003300; font-size: small;"><strong>i les solucions són x = 0 i x = -b/a</strong></span></p> <div style="text-align: center;"> <div><span style="font-size: small; color: #ff0000;" data-mce-mark="1"><strong>Sempre hi ha dues solucions, una d'elles és 0.</strong></span></div> </div> </td> </tr> </tbody> </table> </div> <div align="left"> </div>
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