Développe les expressions suivantes : A = (-3 + y) x 9 B = -6(2x -7) C = (3t + 2) x 8 D = -8(9 - 7x) E = -8z(4 -3z) F = 3y(-4 + 6y)
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Question
Développe les expressions suivantes :
A = (-3 + y) x 9
B = -6(2x -7)
C = (3t + 2) x 8
D = -8(9 - 7x)
E = -8z(4 -3z)
F = 3y(-4 + 6y)
A = (-3 + y) x 9
B = -6(2x -7)
C = (3t + 2) x 8
D = -8(9 - 7x)
E = -8z(4 -3z)
F = 3y(-4 + 6y)
1 Réponse
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1. Réponse nonotata
A = (-3 + y) x 9 = -27+9y
B = -6(2x -7) = -12x+42
C = (3t + 2) x 8 = 24t+16
D = -8(9 - 7x) = -72 +56x
E = -8z(4 -3z) = -32x +24z²
F = 3y(-4 + 6y) = -12y+18y²