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Vivie59
@Vivie59
May 2019
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Bonjour, j'ai un dm de math et je ne comprend pas un exercice pouvez vous m'aider merci
supprimer les parenthèses puis réduire l'expression
K=2x²+3x-(6+5x²)+(x-7)
factoriser les expressions suivantes
P=12x+4 Q=x²-2x R=5x²-10x
merci
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PetiteKyojo
Bonsoir ,
K=2x^2+3x-(6+5x^2)+(x-7)
=2x^2+3x-6-5x^2+x-7
-3x^2+4x-13
P=12x+4
P=4(3x+1)
Q=x^2-2x
Q=x x(x-2)
R=5x^2-10x
R=5x x (x-2)
De rien.
0 votes
Thanks 0
PetiteKyojo
De rien
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vivie59
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vivie59
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bonjour pouvez vous m'aider pour mon exercice calculer et simplifier au maximum 9/10/27/5 7/9*9/11 (11/7+-11/5)/15/8
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vivie59
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K=2x^2+3x-(6+5x^2)+(x-7)
=2x^2+3x-6-5x^2+x-7
-3x^2+4x-13
P=12x+4
P=4(3x+1)
Q=x^2-2x
Q=x x(x-2)
R=5x^2-10x
R=5x x (x-2)
De rien.