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Sagot :

Bonjour,

Simplifier puis ordonner :

A = 2x²+3x+5-4x²-5x

A = -2x²+3x+5-5x

A = -2x²-2x+5

B = 3x³-5x²-2x²

B = 3x³-7x²

C = -8x²+6x-14x+5x²

C = -3x²+6x-14x

C = -3x²-8x

D = 3x²+14x-5x²-6x

D = -2x²+14x-6x

D = -2x²+8x

Bonne journée.

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