Answered

1 Factorisez les expressions suivantes.
a. 3a-3b=
b. 3ab + 5a = ...
c. a? + 2a=
d. 15a + 20b =

Sagot :

MARGESIMPSON1

Bjr

A = 3a-3b

A = 3(a-b)

B = 3ab+5a

B = a(3b+5)

C = a+2a

C = 3a

D = 15a-20b

D = 5(3a-4b)

Voilà !