Page 96 - Mathématiques RAC1 volume 1 2020

P a g e | 95

Révision 3 Factorise :

a. a x – a x =
2 3
3 2
b. 15a b – 10a b =
7 2
5 3

c. y (b – a) – x (b – a) =

2
2
2
d. a (x + y ) – b (x + y ) =
2
e. (a + b) – (a + b) =
2
3
f. (x – 3) (x + 1) – (x – 3) + 2 (x – 3) =
2

g. 4x y – 10xy + 25 =
2 2

h. 16a – 1 =
2

i. a + 4ab + 4b =
2
2

1
j. x – x + =
2
4

b 2
k. 4a – =
2
4

1
l. 9a + 3a + =
2
4

1
m. 4x + x + =
2
4

n. x – 8x + 16x =
4
6
5
o. 9a – a =
3

p. a x – 81x =
2 2
2
q. 2x – 2x – 24 =
2

ES Nyon-Marens BAMV ed 2020 maths Rac1