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 <question type="category"><category><text>4t ESO/4.03 POLINOMIS/4.03.2 Polinomis: Operacions</text></category></question>
 
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      <text>4.03.2.10 TEORIA: ADDICIÓ DE POLINOMIS</text>
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<td valign="top" width="NaNpx"><span style="font-size: large; color: #ffff99;">Addició de polinomis</span></td>
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<td style="background-color: #ffffcc; background-image: none; color: #000066; text-align: justify; vertical-align: top; border-style: none;" valign="top" width="NaNpx"><strong>Per a sumar polinomis, sumem els monomis de mateix grau.</strong><br /><br /><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: #ff0000;">4x<sup>3</sup></span><span style="color: #0000ff;">- 6x<sup>2</sup></span> + 9x <span style="color: #ff9900;">- 5</span></em></strong></span>) =<br />
<div align="center"><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;">11x<sup>3</sup></span> + 12x <span style="color: #ff9900;">- 6<br /></span></em></strong></span>
<div align="justify"><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> + 0 = </span></em></strong></span><span style="color: #000000;"><strong><em><span style="color: #006600;">-2x<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;">+ 4x<sup>3 </sup></span></em></strong></span><span style="color: #000000;"><strong><em><span style="color: #ff0000;">= 11x<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;">= 0x<sup>2</sup>(que no s'escriu)<br /></span></em></strong></span><span style="color: #000000;"><strong><em>3x + 9x = 12x<br /></em></strong></span><span style="color: #000000;"><strong><em><span style="color: #ff9900;">- 1+(-5) = -6</span></em></strong></span></div>
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