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Emiii
@Emiii
April 2019
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Comment développer l'expression:
E= -5(-3x+5)² + (9x-15)
Seul la parenthèse est au carré.
Svpp aidez moi c'est pour demain
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nonotata
Verified answer
-5(-3x+5)² + (9x-15)
-5(9x²-30x+25) +9x-15
-45x² +150x -125 +9x-15
-45x² +159x -140
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maudmarine
E = - 5 (- 3x + 5)² + (9x - 15)
E = - 5 (9x² - 30x + 25) + 9x - 15
E = - 45x² + 150x - 125 + 9x - 15
E = - 45x² + 159x - 140
0 votes
Thanks 0
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Rebonjour ^^ Quel est le cas , le genre et le nombre de ces mots latins :-Quem-cujus-quorum-quae-quod-cui-quibus-qua Svp C'est pour demain.Merci
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Verified answer
-5(-3x+5)² + (9x-15)-5(9x²-30x+25) +9x-15
-45x² +150x -125 +9x-15
-45x² +159x -140
E = - 5 (9x² - 30x + 25) + 9x - 15
E = - 45x² + 150x - 125 + 9x - 15
E = - 45x² + 159x - 140