besoin d'aide merci developper A = (5x + 7)² B = (4x-3)(4x +2) C = (2 -6x)²
Mathématiques
natholi
Question
besoin d'aide merci
developper
A = (5x + 7)² B = (4x-3)(4x +2)
C = (2 -6x)² D = (9x -3)(9x +3)
E= (1 +2x)² F= (4 -7x)(4+ 7x)
developper
A = (5x + 7)² B = (4x-3)(4x +2)
C = (2 -6x)² D = (9x -3)(9x +3)
E= (1 +2x)² F= (4 -7x)(4+ 7x)
1 Réponse
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1. Réponse nonotata
bonjour
A = (5x + 7)² = 25x² +70x+49
B = (4x-3)(4x +2) = 16x²+8x-12x-6 = 16x² -4x-6
C = (2 -6x)² = 4 -24x+36x²
D = (9x -3)(9x +3) = 81x²-9
E= (1 +2x)² = 1 +4x+4x²
F= (4 -7x)(4+ 7x) = 16 -49x²