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Yozgat69
@Yozgat69
April 2019
1
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Pour chacune des expression ci dessous:
développer,puis réduire
factoriser
controler que l'expression développer est bien égale a l'expression factorisée.
A=(3x - 4)² + (3x - 4) (7x - 5)
B=(4x + 2)² - (5 - 2x) (4x + 2)
MERCI
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girlonline
1) Développer et réduire
A=(3x - 4)² + (3x - 4) (7x - 5)
A=(3x- 4) (3x-4) +(3x-4) (7x-5)
A=9x²-12x-12x-16+ 21x²-15x-28x-20
A=30x²-67x-36
B=(4x + 2)² - (5 - 2x) (4x + 2)
B=( 4x+2) (4x+2) - (5-2x) (4x+2)
B= 16x²+8x+8x+4-20x+10-8x²-4x
B=8x²-8x+14
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yozgat69
June 2021 | 0 Respostas
c tres urgent!!!!!!!!!!!!svp c'est pour lundi pouvez vous me donner des exemples de cause juste svppp
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April 2019 | 0 Respostas
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A=(3x - 4)² + (3x - 4) (7x - 5)
A=(3x- 4) (3x-4) +(3x-4) (7x-5)
A=9x²-12x-12x-16+ 21x²-15x-28x-20
A=30x²-67x-36
B=(4x + 2)² - (5 - 2x) (4x + 2)
B=( 4x+2) (4x+2) - (5-2x) (4x+2)
B= 16x²+8x+8x+4-20x+10-8x²-4x
B=8x²-8x+14