Développe les expressions suivantes : A = (-3+y) x 9 D = -8(9-7x) B = - 6(2x-7) E = -8z(4-3z) C = (3t + 2) x 8
Mathématiques
orlane44800
Question
Développe les expressions suivantes :
A = (-3+y) x 9 D = -8(9-7x)
B = - 6(2x-7) E = -8z(4-3z)
C = (3t + 2) x 8 F = 3y(-4+6y)
Svp urgent :)!!!!
A = (-3+y) x 9 D = -8(9-7x)
B = - 6(2x-7) E = -8z(4-3z)
C = (3t + 2) x 8 F = 3y(-4+6y)
Svp urgent :)!!!!
1 Réponse
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1. Réponse maudmarine
A = (-3+y) x 9
C = - 27 + 9y
C = 9y - 27
B = - 6(2x-7)
B = - 12x + 42
C = (3t + 2) x 8
C = 24t + 16
D = -8(9-7x)
D = - 72 + 56x
D = 56x - 72
E = -8z(4-3z)
E = - 32z + 24z
E = - 8z
F = 3y(-4+6y)
F = - 12y + 18y²
F = 18y² - 12y