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@ertas
January 2021
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Bonjour, est ce que vous pouvez m'aider à faire l'exercice 13 et 15 svp c'est urgent
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winner123
Verified answer
Bonsoir
a = 3x + 18
b = 30 - 5 y
c = - 14 z + 21
d = 40 + 24 y
e = 24 x - 54
f = 60 - 36 z
a = x² + 4 x
b = 14 y - 63 y
c = - 10 y + 2 y²
c = 14 y - 63 y²
d = 36 t - 12 t²
0 votes
Thanks 1
ertas
il faut faire ca te sur
ertas
developper sa veut dire quoi
anylor
Bonsoir
exo 13
A= 3( x+6) = 3x +18
B= 5(6-y) = 30 -5y
C= -7(2z-3) = -14z +21
D=-8(-5-3y) = 40 + 24y
E= 6(4x-9) = 24x - 54
F= -12(-5+3z) =+60 -36z
exo 15
A= x( x+4) = x×x + x×4 = x² +4x
B= 7y (2-9y) = 7y×2 + 7y ×(-9y) = 14y - 63y²
C= -2y( 5-y) = (-2y × 5 )+( -2y × -y) = -10y +2y²
D= (9-3t) × 4t = (9×4t) +(-3t×4t) = 36t -12t²
1 votes
Thanks 2
ertas
merci bcp
anylor
de rien
ertas
bonne soirée je te remercie
anylor
bonne soirée à toi aussi
ertas
slt est ce que tu peux m'aider pour mon devoir de Français que je viens de poster stp c'est urgent
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Verified answer
Bonsoira = 3x + 18
b = 30 - 5 y
c = - 14 z + 21
d = 40 + 24 y
e = 24 x - 54
f = 60 - 36 z
a = x² + 4 x
b = 14 y - 63 y
c = - 10 y + 2 y²
c = 14 y - 63 y²
d = 36 t - 12 t²
exo 13
A= 3( x+6) = 3x +18
B= 5(6-y) = 30 -5y
C= -7(2z-3) = -14z +21
D=-8(-5-3y) = 40 + 24y
E= 6(4x-9) = 24x - 54
F= -12(-5+3z) =+60 -36z
exo 15
A= x( x+4) = x×x + x×4 = x² +4x
B= 7y (2-9y) = 7y×2 + 7y ×(-9y) = 14y - 63y²
C= -2y( 5-y) = (-2y × 5 )+( -2y × -y) = -10y +2y²
D= (9-3t) × 4t = (9×4t) +(-3t×4t) = 36t -12t²