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Sagot :

Bonsoir,

A= x²  +5x +1

B=  -x²  -2x +6

C= -6x² +9x -5

D = -4x² +x -17

E = -2x³ +2x² -11x +1

Réponse:

A= 1x²+5x+1

B= -1x²-2x+6

C= -6x²+9x-5

D= -4x²+1x-17

E= -2x³-2x²-11x+1

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