(4x-2)(5+3x)-(12x²-3x+1)≤0
Mathématiques
emmayette
Question
(4x-2)(5+3x)-(12x²-3x+1)≤0
2 Réponse
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1. Réponse chris51
(4x-2)(5+3x)-(12x²-3x+1)≤0
20x + 12x² - 10 - 6x - 12x² + 3x - 1≤0
15x ≤ 11
x ≤ 1.36 -
2. Réponse aminerbt
(4x-2)(5+3x) - (12x²-3x+1) ≤ 0
20x -10 + 12x² - 6x - 12x² + 3x - 1 ≤ 0
12x² - 12x² - 6x + 3x + 20x - 1 -10 ≤ 0
- 6x + 3x + 20x -11 ≤ 0
17x -11 ≤ 0
17x ≤ 11
x ≤ [tex] \frac{11}{17} [/tex]