Veuillez factorisez cela svp, merci de m'aider: 3x² + 6x – 9 = (x + 3)(x – 7) + (x + 3)(3x + 4) = (y-3)² - (5y -8)(y – 3) = Z² - 16 = 4t² - 25 = 9u² + 12u + 4 =
Mathématiques
Afyonlu03
Question
Veuillez factorisez cela svp, merci de m'aider:
3x² + 6x – 9 =
(x + 3)(x – 7) + (x + 3)(3x + 4) =
(y-3)² - (5y -8)(y – 3) =
Z² - 16 =
4t² - 25 =
9u² + 12u + 4 =
100 v² -20 v + 1 =
3x² + 6x – 9 =
(x + 3)(x – 7) + (x + 3)(3x + 4) =
(y-3)² - (5y -8)(y – 3) =
Z² - 16 =
4t² - 25 =
9u² + 12u + 4 =
100 v² -20 v + 1 =
1 Réponse
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1. Réponse Anonyme
3x² + 6x – 9 = (√3x - 3)²
(x + 3)(x – 7) + (x + 3)(3x + 4) = (x + 3)(x - 7 + 3x + 4) = (x + 3)(4x - 3)
(y-3)² - (5y -8)(y – 3) = (y - 3)(y - 3 - 5y + 8) = (y - 3)(- 4y + 5)
z² - 16 = (z - 4)(z + 4)
4t² - 25 = (2t - 5)(2t + 5)
9u² + 12u + 4 = (3u + 2)²
100 v² -20 v + 1 = (10v - 1)²