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Juliette15
@Juliette15
April 2019
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Je suis totalement bloquée pour ces deux questions, help please!
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winner123
Verified answer
Bonsoir
A) 22x² +25x +4 = 25x² +20x +4 - 3x² +5x
22x² +25x +4 = 22x² +25x +4
B) (x+5)(3x-2)+ (x+5)(5x-4) =(x + 5) (8x -6)
3x² - 2x +15x -10 + 5x² -4x +25x -20 = 8x² -6x +40x -30
8x² +34x -30 = 8x² + 34x -30
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Aidez moi sil-vous-plait ! (2x+1)(3x-5)+(-2x-2)(3x-1) et (-2x-1)(-3x+2)-(2x-3)(4x-8)
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Verified answer
BonsoirA) 22x² +25x +4 = 25x² +20x +4 - 3x² +5x
22x² +25x +4 = 22x² +25x +4
B) (x+5)(3x-2)+ (x+5)(5x-4) =(x + 5) (8x -6)
3x² - 2x +15x -10 + 5x² -4x +25x -20 = 8x² -6x +40x -30
8x² +34x -30 = 8x² + 34x -30