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Bonjour j’ai vrm besoin d’aide svp merci juste pour ça :

Factoriser les expressions :
H = 9y + 12

I = x2 + 24x

J = (x + 1)2 – 2(x + 1)

K = (-3x + 4)(3x – 8) + (-3x + 4)(7x + 2)

L = (8y + 3)(5y + 7) – 3(8y + 3)(2y – 1)

Sagot :

Réponse:

[tex]h = 3(3y + 4)[/tex]

[tex]i = x(x + 24)[/tex]

[tex]k= ( - 3x + 4)(3x - 8 + 4x + 2) \\ ( - 3x + 4)(7x - 6)[/tex]

[tex]l = (8y + 3)(5y + 7 - 3(2y - 1)) \\ (8y + 3)(5y + 7 - 6y + 3) \\ (8y + 3)( - y + 10) \\ \\j = 0[/tex]
H=3(3y+4)
I=x(x+24)
J=(x+1)((x+1)-2)
K=(-3x+4)((3x-8)+(7x+2))= (-3x+4)(10x-6)
L=(8y+3)((5y+7)-3(2y-1))=(8y+3)(5y+7-6y+3)
=(8y+3)(-y+10)

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