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aidez moi a factoriser:
Factoriser les expressions suivantes :
A = (6x + 3)(4x – 5) + (3x + 1)(6x + 3) B = (4x – 5)(2 – x) + (4x – 5)²
C = (3x + 5)(3 – 2x) – (3x + 5)(2 + 5x) D = (3x + 4)² – (3x + 4)(5x + 6)
E = (4x + 3)(3 – 2x) – (4x + 3)(5 – 4x)

Sagot :

HUGO12

Réponse :

Explications étape par étape

bonjour,

A = (6x + 3)(4x – 5) + (3x + 1)(6x + 3)

A=(6x+3)(4x-5+3x+1)

A=(6x+3)(7x-4)

B=(4x – 5)(2 – x) + (4x – 5)²

B=(4x-5)(2-x+4x-5)

B=(4x-5)(+3x-3)

C= (3x + 5)(3 – 2x) – (3x + 5)(2 + 5x)

C=(3x+5)(3-2x-2-5x)

C=(3x+5)(-7x+1)

D=(3x + 4)² – (3x + 4)(5x + 6)

D=(3x+4)(3x+4-5x-6)

D=(3x+4)(-x-1)

E=(4x + 3)(3 – 2x) – (4x + 3)(5 – 4x)

E=(4x+3)(3-2x-5+4x)

E=(4x+3)(+2x-2)

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