Page 76 - Mathématiques RAC1 volume 1 2020
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Exercice 3.3 Développe puis réduis les expressions suivantes :
1) (x – 2x ) (3x – 1) =
2
2) (5y – 1) (y + 2y) =
2
3) (y – y ) (y + y ) =
2
2
3
2
4) (3y – 1) (4y – 5y + 6) =
5) (6z – 3z – 4) (5z – 3) =
2
6) (x + 1) (x – x – 1) =
2
7) (x + x – 3) (x – 2x + 1) =
2
2
8) x – 2 (x + 2) =
9) (3x – 2) (3x + 2) =
10) (x – 2) x + 2 =
11) x – [2 – (x + 2)] =
12) (x + 3) – (x + 3) =
13) x + [3 – (x + 3)] =
14) (1 – 3x) (2x + 1) =
15) (1 – 3x) – (2x + 1) =
16) (x + 3) (x – 9) =
17) ( x – 4) (x – 7) =
ES Nyon-Marens BAMV ed 2020 maths Rac1
