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DemonSlayer
@DemonSlayer
April 2019
1
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Developper (x-2)²X-3+4
merci de votre aide ^^
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PAU64
- 3 (x - 2)² + 4
= - 3 [x² - 2 * x * 2 + 2²] + 4
= - 3 (x² - 4x + 4) + 4
= - 3 * x² - 3 * (- 4x) - 3 * 4 + 4
= - 3x² + 12x - 12 + 4
= - 3x² + 12x - 8
Les * désignent "fois".
2 votes
Thanks 1
DemonSlayer
merci beaucoup ^^
PAU64
de rien :p
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Lista de comentários
= - 3 [x² - 2 * x * 2 + 2²] + 4
= - 3 (x² - 4x + 4) + 4
= - 3 * x² - 3 * (- 4x) - 3 * 4 + 4
= - 3x² + 12x - 12 + 4
= - 3x² + 12x - 8
Les * désignent "fois".