Chandler Garza
11/22/2024 · Junior High School
Soit la fonction \( f \) définie sur \( \mathbb{R} \) par \( f(x)=x^{2}+2 x-3 \). 1. Trouver une racine évidente de \( f \). 2. Calculer \( f(-3) \). 3. En déduire la factorisation de \( f \) sur \( \mathbb{R} \).
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1. Uma raiz evidente de \( f \) é \( x = 1 \).
2. \( f(-3) = 0 \).
3. A fatoração de \( f \) sobre \( \mathbb{R} \) é \( f(x) = (x - 1)(x + 3) \).
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