NESRINEEE97
Answered

B. Factorise et simplifie
D= 3a2 + 6a
E= -18-9a
Svp c’est pour demain !!

Sagot :

VINS

bonsoir

D = 3 a ( a + 2 )

E  = - 9 ( 2 + a )

TEAMCE

Bonsoir,

Factoriser:

D = 3a² + 6a

D = 3a*a + 3a*2

D = 3a(a + 2)

E = -18 - 9a

E = -9*2 + (-9)*a

E = -9(a + 2)

* = multiplication

Bonne soirée.