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MissRusse
@MissRusse
May 2019
2
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Bonjour,
Pouvez-vous m'aider pour mon exercice en maths ? Merci ! (je suis en troisième)
Factoriser les expressions :
A = 4 (x - 2) - (x - 2) (3x + 1)
B = 5 - 9x + (5 - 9x) (1 - 3 x)
C = (3x - 7)² - (1 - 2x) (3x - 7)
Voilà,
Cordialement
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rosiemuller2000
Verified answer
Coucou
A = 4 (x - 2) - (x - 2) (3x + 1)
A = (x-2) (4-3x-1)
A = (x-2)( 3 -3x)
B = 5 - 9x + (5 - 9x) (1 - 3 x)
B = 1(5 - 9x) + (5 - 9x) (1 - 3 x)
B = (5-9x) (1+1-3x)
B = (5-9x) (2-3x)
C = (3x - 7)² - (1 - 2x) (3x - 7)
C = (3x -7) (3x-7 -1+2x)
C = (3x-7)(5x -8)
voila j espere t avoir aider
1 votes
Thanks 1
MissRusse
Merci !
rosiemuller2000
de rien ;)
nadiab
A = 4 (x - 2) - (x - 2) (3x + 1)
A = (x-2) (4-3x-1)
A = à toi de calculer comme les autres exos que tu as posté
B = 5 - 9x + (5 - 9x) (1 - 3 x)
B = (5 - 9x) +(5-9x)(1- 3 x)
B = (5-9x)(1+1-3x)
B = tu calculer
C = (3x - 7)² - (1 - 2x) (3x - 7)
C = (3x -7) (3x-7 -1+2x)
C = (3x-7)(5x -8)
2 votes
Thanks 0
MissRusse
Merci !
rosiemuller2000
@nadiab est ce que vous pourriez m aider a mon devoir de maths svp je ne comprend pas le 3 de l exercice 72
rosiemuller2000
je l ai deja poster et j ai mis une photo
rosiemuller2000
coucou tout le monde pouvez vous m aider a mon exercice 72 svp uniquement le 3 et bien me l expliquer parceque je n ai p... http://nosdevoirs.fr/devoir/1326469?utm_source=android&utm_medium=share&utm_campaign=question
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Verified answer
CoucouA = 4 (x - 2) - (x - 2) (3x + 1)
A = (x-2) (4-3x-1)
A = (x-2)( 3 -3x)
B = 5 - 9x + (5 - 9x) (1 - 3 x)
B = 1(5 - 9x) + (5 - 9x) (1 - 3 x)
B = (5-9x) (1+1-3x)
B = (5-9x) (2-3x)
C = (3x - 7)² - (1 - 2x) (3x - 7)
C = (3x -7) (3x-7 -1+2x)
C = (3x-7)(5x -8)
voila j espere t avoir aider
A = (x-2) (4-3x-1)
A = à toi de calculer comme les autres exos que tu as posté
B = 5 - 9x + (5 - 9x) (1 - 3 x)
B = (5 - 9x) +(5-9x)(1- 3 x)
B = (5-9x)(1+1-3x)
B = tu calculer
C = (3x - 7)² - (1 - 2x) (3x - 7)
C = (3x -7) (3x-7 -1+2x)
C = (3x-7)(5x -8)