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            <video:title>Développer et réduire une expression littérale</video:title>
            <video:description>On connaît les priorités des opérations et on sait réduire les termes semblables. Alors on rajoute... la distributivité !</video:description>
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            <Attribute name="title"> Réduire les termes semblables </Attribute>
            <Attribute name="description">Pour simplifier une expression littérale, on peut réduire les termes semblables : il suffit d&#39;effectuer l&#39;opération sur les coefficients. Par exemple, 2x + 3x = (2+3)x = 5x</Attribute>
            
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            <Attribute name="author">Scott Menke</Attribute>
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