Factoriser: (6x +3) (4x-2) + (4x-2) (9x-1)
Mathématiques
Celia6911
Question
Factoriser: (6x +3) (4x-2) + (4x-2) (9x-1)
2 Réponse
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1. Réponse linstead
Bonjour,
(6x +3) (4x-2) + (4x-2) (9x-1)
= 24x² - 12x + 12x - 6 + 36x² - 4x - 18x + 2
= 60x² - 22x - 4
= (4x - 2) (2 + 15x) -
2. Réponse ficanas06
(4x+2) ((6x+3) + (9x-1)) = (4x+2) (6x+3+9x-1) = (4x+2)(15x+2)