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5 Factorise chaque expression suivante.
E = a2 - За

G = 6t2 + 24t -60

F = 5z2-z

H = 8b-24b2

Sagot :

VINS

E  =  a ( a - 3)

G =  6 ( t² + 4 t - 10 )

F  = z ( 5 z - 1 )

H  = 8 b ( 1 - 3 b )