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Morgyx
@Morgyx
January 2021
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Bonsoir j'ai besoin d'aide, quelqu'un pourrait me développer et réduire cette expression s'il vous plait ? : (x+1) (2x−3)−(5x−1) (x+1) Merci !
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lahiani2000
(x+1)(2x-3)-(5x-1)(x+1)
(x+1)(2x-3-(5x-1))
(x+1)(2x-3-5x+1)
(x+1)(-3x-2)
voila la reponse
0 votes
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swnn
(x+1)(2x-3)-(5x-1)(x+1)
= 2x²-3x+2x-3-(5x²+5x-x-1)
= 2x²-x-3-(5x²+4x-1)
= 2x²-x-3-5x²-4x+1
= -3x²-5x-2
1 votes
Thanks 1
Morgyx
Merci :)
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(x+1)(2x-3-(5x-1))
(x+1)(2x-3-5x+1)
(x+1)(-3x-2)
voila la reponse
= 2x²-3x+2x-3-(5x²+5x-x-1)
= 2x²-x-3-(5x²+4x-1)
= 2x²-x-3-5x²-4x+1
= -3x²-5x-2