Bonsoirs vous pouver m'aider sur cette expression littéral s'il vous plais? Développe et réduis les expressions suivantes surligner les reponses a, b, c, d.
A= 5(x− 4)

a) = 5x – 4

b) = 5 x + 20

c) = 5 x– 24

d) = 5 x – 20

B = ( 3x−5 ) × (−4)

a) = − 12x – 20

b) = 3x – 9

c) = −12 x + 20

d) = 12x + 20

C = ( 2x+ 5) × ( 3x+ 1)

a) = 6 x² − 17x − 5

b) = 6 x ² + 17x + 5

c) = 5 x + 6

d) = 23 x+ 5

D = (2x − 7) × (3x + 8)

a) = 6x ² – 5 x– 56

b) = 5 x ² – 15

c) = 6x ² + 37 x – 56

d) = 6 x² − 5x + 56

D = (− 7x−2 )(− 3x−9 )

a) = 21 x ² + 57x – 18

b) = −21 x² + 57 x – 18

c) = − 21 x ² − 69x + 18

d) = 21 x² + 69x + 18
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