Sagot :

Bonjour,

D=-2×(5-2×3)-3

= -10+12-3

= -1

Bjr

D = -2×(5-2×3)-3

D = -2×(5-6)-3

D = -2×(-1)-3

D = -2×-1-3

D = 2-3

D = -1

Voilà !