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Afyonlu03
@Afyonlu03
April 2019
2
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Bonsoir, veuillez me devloppé TOUS s'il vous plaît merci bien.
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manon72yumni
1) (x-4)(x+1)= x*x+x*1-4*x-4*1= x²+x-4x-4= x²-3x-4
2) (x²+1)(x+2)= x²*x+x²*2+1*x+1*2= x^3+2x² +x+2
3) (5-x)(-3-x)= 5*(-3)-5*x-x*(-3)-x*-x= -15-5x+3x+x²= x²-2x-15
4) (2a+4)(3a-5)= 2a*3a+2a*(-5)+4*3a+4*(-5)= 6a²-10a+12a-20=6a²+2a-20
5) (x²-3)(-2x+4)= x²*(-2x)+x²*4-3*(-2x)-3*4=2x^3+4x²+6x-12
6) (3x-7)(4x²-1)= 3x*4x²+3x*(-1)-7*4x²-7*(-1)=12x^3-28x²-3x+7
7) (1+x)(-x+1)= 1*(-x)+1*1+x*(-x)+x*1=-x+1-x+x=-x+1
8) (3x²-5)(x+2)= 3x²*x+3x²*2-5*x-5*2=3x^3+6x²-5x-10
9) (-3+x)(6-2x²)= -3*6-3*(-2x²)+x*6+x*(-2x²)=-2x^3+6x²+6x-18
voilà dis moi si tu ne comprends pas
1 votes
Thanks 1
em237972
Je pense que le 7 est plutôt -x au carré + 1
em237972
X² - 3x - 4
x³ + 2x² + x + 2
x² - 2x - 15
6a² + 2a - 20
-2x³ + 4x² + 6x - 12
12x³ - 28 x² - 3x + 7
-x² + 1
3x³ + 6x² - 5x - 10
-2x³ + 6x² + 6x - 18
0 votes
Thanks 1
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Afyonlu03
June 2021 | 0 Respostas
thannnnnks!!!!!!!!!!!!!!!!!!!
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Afyonlu03
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merci bien de repondre
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Afyonlu03
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merci bien de m'aider
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Afyonlu03
June 2021 | 0 Respostas
Faites moi l'exercice 5 merci les gens
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Afyonlu03
June 2021 | 0 Respostas
Faites l'ex 23, que le a et b merci :))
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Afyonlu03
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Lista de comentários
2) (x²+1)(x+2)= x²*x+x²*2+1*x+1*2= x^3+2x² +x+2
3) (5-x)(-3-x)= 5*(-3)-5*x-x*(-3)-x*-x= -15-5x+3x+x²= x²-2x-15
4) (2a+4)(3a-5)= 2a*3a+2a*(-5)+4*3a+4*(-5)= 6a²-10a+12a-20=6a²+2a-20
5) (x²-3)(-2x+4)= x²*(-2x)+x²*4-3*(-2x)-3*4=2x^3+4x²+6x-12
6) (3x-7)(4x²-1)= 3x*4x²+3x*(-1)-7*4x²-7*(-1)=12x^3-28x²-3x+7
7) (1+x)(-x+1)= 1*(-x)+1*1+x*(-x)+x*1=-x+1-x+x=-x+1
8) (3x²-5)(x+2)= 3x²*x+3x²*2-5*x-5*2=3x^3+6x²-5x-10
9) (-3+x)(6-2x²)= -3*6-3*(-2x²)+x*6+x*(-2x²)=-2x^3+6x²+6x-18
voilà dis moi si tu ne comprends pas
x³ + 2x² + x + 2
x² - 2x - 15
6a² + 2a - 20
-2x³ + 4x² + 6x - 12
12x³ - 28 x² - 3x + 7
-x² + 1
3x³ + 6x² - 5x - 10
-2x³ + 6x² + 6x - 18