a) (2x - 5) (1 + x ) = 2x (x - 3) b) 6x² - 2 + (3 - 2x) (4 + 3x) = 0
Mathématiques
tifany69190
Question
a) (2x - 5) (1 + x ) = 2x (x - 3)
b) 6x² - 2 + (3 - 2x) (4 + 3x) = 0
b) 6x² - 2 + (3 - 2x) (4 + 3x) = 0
1 Réponse
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1. Réponse 111111
2x + 2x²-5-5x=2x²-6x
3x=5
x=5/3
6x²-2+12+9x-8x-6x²=0
x=-10