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XZ0PHILIP
Answered

Bonjour puis-je avoir une réponse rapidement si possible merci d'avance
Développer et réduire chaque expression
G=( - 11+9x) * ( - 8)
H=3 (2x + 13) - 4 (8 - 11x)
I=-5x (8x - 2) + ( - 3+x) * 2x
J=(7x - 4) ( - 3+2x)
K=( - 2x - 9) (6x - 5)

Sagot :

ANAISRT67

Bonjour,

G=( - 11+9x) * ( - 8)

G = - 11 * (-8) + 9x * (-8)

G = 88 - 72x

H=3 (2x + 13) - 4 (8 - 11x)

H = 3 * 2x + 3 * 13 - 4 * 8 - 4 * (-11x)

H = 6x + 39 - 32 + 44x

H = 50x + 7

I = -5x (8x - 2) + ( - 3+x) * 2x

I = -5x * 8x - 5x * (-2) - 3 * 2x + x * 2x

I = -40x² + 10x - 6x + 2x²

I = 38x² + 4x

J=(7x - 4) ( - 3+2x)

J = 7x * (-3) + 7x * 2x - 4 * (-3) - 4 * 2x

J = -21x + 14x² + 12 - 8x

J = 14x² -29x + 12

K=( - 2x - 9) (6x - 5)

K = -2x * 6x - 2x * (-5) - 9 * 6x - 9 * (-5)

K = -12x² + 10x - 54x + 45

K = -12x² -44x + 45

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