Réponse:
On va dire que ^cest pour le carré :) A = (3x + 5)(2x - 1) + 9x ^ - 25 6x ^ - 3 * x + 10x - 5 + 9x ^ - 25 A = 15x ^ 7 * x - 30
2.9x ^ - 25 = (3x - 5)(3x + 5)
Factorisation (3x+5)(2x-1)+(3x-5)(3x+5)
(3x+5)[(2x-1)+(3x-5)]
(3x + 5)[2x - 1 + 3x - 5]
(3x + 5)(5x - 6)
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Réponse:
On va dire que ^cest pour le carré :) A = (3x + 5)(2x - 1) + 9x ^ - 25 6x ^ - 3 * x + 10x - 5 + 9x ^ - 25 A = 15x ^ 7 * x - 30
2.9x ^ - 25 = (3x - 5)(3x + 5)
Factorisation (3x+5)(2x-1)+(3x-5)(3x+5)
(3x+5)[(2x-1)+(3x-5)]
(3x + 5)[2x - 1 + 3x - 5]
(3x + 5)(5x - 6)