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<p> </p> <div align="center"> <table style="background-color: #000066; background-image: url('http://www.insmilaifontanals.cat/none'); color: #ffcc00; border: 4px solid #336600; float: none; text-align: center; vertical-align: top; width: 509px; height: 245px;" border="4" frame="void" rules="none"> <tbody> <tr> <td style="width: 400px; border: 1px solid #003300; background-color: #003300;" valign="top"><span style="font-size: x-large; color: #ffff99;">Subtracció de <span class="nolink">polinomis</span></span></td> </tr> <tr> <td style="background-color: #ffffcc; background-image: none; color: #000066; text-align: justify; vertical-align: top; border-style: none;" valign="top" width="NaNpx"><span style="font-size: small; color: #003300;"><strong>Per restar el polinomi Q(x) del polinomi P(x), restem dels monomis de P(x) els monomis de mateix grau de Q(x).</strong></span><br /><br /><span style="font-size: small;"><span style="color: #000000;"><strong><em>Exemple: <span style="color: #ff0000;"><br /></span>(</em></strong></span><span style="color: #000000;"><strong><em><span style="color: #006600;">-2x<sup>4</sup></span> + </em></strong></span><span style="color: #000000;"><strong><em><span style="color: #ff0000;">7x<sup>3</sup></span><span style="color: #0000ff;">+ 6x<sup>2</sup></span> + 3x <span style="color: #ff9900;">- 1</span></em></strong></span>) - <span style="color: #000000;"><strong><em>(<span style="color: #006600;">-5x<sup>4</sup></span><span style="color: #0000ff;">- 6x<sup>2</sup></span> + 3x <span style="color: #ff9900;">- 5</span></em></strong></span>) =</span> <span style="font-size: small;"><span style="color: #000000;"><strong><em><span style="color: #006600;">3x<sup>4</sup></span> + </em></strong></span><span style="color: #000000;"><strong><em><span style="color: #ff0000;">7x<sup>3</sup></span><span style="color: #0000ff;">+ 12x<sup>2</sup></span><span style="color: #ff9900;">+ 4<br /></span></em></strong></span></span> <div align="justify"><span style="font-size: small;"><span style="color: #ff9900;"><em><strong><span style="color: #000000;">Perquè:</span><br /></strong></em></span><span style="color: #000000;"><strong><em><span style="color: #006600;">-2x<sup>4</sup> - (-5x<sup>4</sup>) = </span></em></strong></span><span style="color: #000000;"><strong><em><span style="color: #006600;">3x<sup>4<br /></sup></span></em></strong></span><span style="color: #000000;"><strong><em><span style="color: #ff0000;">7x<sup>3 </sup>-</span></em></strong></span><span style="color: #000000;"><strong><em><span style="color: #ff0000;"> 0</span></em></strong></span><span style="color: #000000;"><strong><em><span style="color: #ff0000;">= 7x<sup>3<br /></sup></span></em></strong></span><span style="color: #000000;"><strong><em><span style="color: #0000ff;">6x<sup>2</sup></span></em></strong></span><span style="color: #000000;"><strong><em><span style="color: #0000ff;">- (- 6x<sup>2</sup></span><span style="color: #0000ff;">) </span></em></strong></span><span style="color: #000000;"><strong><em><span style="color: #0000ff;">= 12x<sup>2</sup><br /></span></em></strong></span><span style="color: #000000;"><strong><em>3x - 3x = 0x </em></strong><strong><em>(que no s'escriu)</em></strong><strong><em><span style="color: #ff9900;"><br />- 1-(-5) = 4</span></em></strong></span></span></div> </td> </tr> </tbody> </table> </div> <p><br /><br /></p>
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