bonsoir,
1)
5
5*4 =2020-12 = 8
8*5 = 40
40+9 = 49
49
-1
-4
-16
-7
2)
x
4x
4x-12
4x²-12x
4x²-12x +9
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bonsoir,
1)
5
5*4 =20
20-12 = 8
8*5 = 40
40+9 = 49
49
-1
-4
-16
-16
-7
2)
x
4x
4x-12
4x²-12x
4x²-12x +9