bonjour aidez-moi SVP E = (-3 + 2x)(5x - 2) - (-25x² + 4) - 3(2-5x) F = (3x -1)(4x + 2) - (-3x + 5)(-x + 2) merci
Mathématiques
mamouillou
Question
bonjour aidez-moi SVP
E = (-3 + 2x)(5x - 2) - (-25x² + 4) - 3(2-5x)
F = (3x -1)(4x + 2) - (-3x + 5)(-x + 2)
merci
E = (-3 + 2x)(5x - 2) - (-25x² + 4) - 3(2-5x)
F = (3x -1)(4x + 2) - (-3x + 5)(-x + 2)
merci
1 Réponse
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1. Réponse michelinemigra
E = (-3 + 2x)(5x - 2) - (-25x² + 4) - 3(2-5x)
E=(-15x+6+10x²-4x) - (-25x²+4) (-6+15x)
E=(-15x+6+10x²-4x) - (150x²-375x3-24+60x)
E=(-19x+6+10x²) - (150x²-375x3-24+60x)
E=-19x+6+10x²-150x²+375x3+24-60x
E= -79x+30-140x²+375x3
E= 375x3-140x²-79x+30
F = (3x -1)(4x + 2) - (-3x + 5)(-x + 2)
F= (12x²+6-4x-2) - (3x²-6x+5x+10)
F=12x²+2x-2-3x²+6x-5x-10
F= 12x²+2x-2-3x²+x-10
F= 9x²+3x-8