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)

Question

Grade: Education Subject: mathematiques
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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Answer (175)

Best Answer
(230)
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