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Matthias622
@Matthias622
May 2019
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Aidez moi pour mon exercice s'il vous plait
1) Factoriser chaque expression,
A = 2z² - 5z ; B = 15ab + 20 b
C = 3a² + 3a
2) D = 1/2 - 3/5 x 7/4 ; E = 5/3 - 7/9
1/4 - 1/2
Merci de votre aide !
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Verified answer
Bonjour,
A = 2z² - 5z =
z(2z-5)
B = 15ab + 20 b=
5b(3a+4)
C = 3a² + 3a
3a(a+1)
2) D = 1/2 - 3/5 x 7/4 ; E = 5/3 - 7/9
1/4 - 1/2 on peut pas factoriser
0 votes
Thanks 1
Matthias622
Merci mille fois !!
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Verified answer
Bonjour,A = 2z² - 5z =
z(2z-5)
B = 15ab + 20 b=
5b(3a+4)
C = 3a² + 3a
3a(a+1)
2) D = 1/2 - 3/5 x 7/4 ; E = 5/3 - 7/9
1/4 - 1/2 on peut pas factoriser