Page 100 - Mathématiques RAC1 volume 1 2020
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8) (4y – 5) =
2
3
9) (2z – 3x ) (2z + 3x ) =
3
3
10) (– x – 2) =
2
Exercice 11 Factorise au maximum.
1) 2x y – 4xy + 8xy =
2
3
2) 20a c – 32a c =
4 3
4
3) 5x z – 7x y =
3 3
3 3
4) (6z – 3) (4 + 5z) – (3z – 1) (5z + 4) =
5) x + 2x y + y =
4
2 2
4
6
6) y – 4 =
7) 49y – 42y z + 9z =
2
2
4
8) x + 11x + 18 =
2
9) x – 25 =
4
2
10) x + 6x – 7 =
ES Nyon-Marens BAMV ed 2020 maths Rac1
