5ème factorisation
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5ème factorisation

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Exemple de factorisation.

Exemple de factorisation.

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5ème factorisation 5ème factorisation Presentation Transcript

  • Factorisation3 A = ( 2x – 5 ) ( x + 4 ) + ( 2x – 5 ) ( 3x – 7 )
  • Factorisation3 A = ( 2x – 5 ) ( x + 4 ) + ( 2x – 5 ) ( 3x – 7 ) 1.Trouver le facteur commun.
  • Factorisation3 A = ( 2x – 5 ) ( x + 4 ) + ( 2x – 5 ) ( 3x – 7 ) A = ( 2x – 5 ) [ ( x + 4 ) + ( 3x – 7 ) ] 2. Factoriser le facteur commun . 1.Trouver le facteur commun.
  • Factorisation3 A = ( 2x – 5 ) ( x + 4 ) + ( 2x – 5 ) ( 3x – 7 ) A = ( 2x – 5 ) [ ( x + 4 ) + ( 3x – 7 ) ] 2. Factoriser le facteur commun . A = ( 2x – 5 ) [ x + 4 + 3x – 7 ] 3.Supprimer les parenthèses dans les crochets. 1.Trouver le facteur commun.
  • Factorisation3 A = ( 2x – 5 ) ( x + 4 ) + ( 2x – 5 ) ( 3x – 7 ) A = ( 2x – 5 ) [ ( x + 4 ) + ( 3x – 7 ) ] 2. Factoriser le facteur commun . A = ( 2x – 5 ) [ x + 4 + 3x – 7 ] 3.Supprimer les parenthèses dans les crochets. A = ( 2x – 5 ) [ 4x - 3 ] 4.Réduire l’expression dans les crochets. 1.Trouver le facteur commun.