Réponse :
Explications étape par étape
Bonsoir
Forme développée et factorisé
f(x) = (x - 1)^2 - 4
f(x) = x^2 - 2x + 1 - 4
f(x) = x^2 - 2x - 3
f(x) = (x - 1 - 2)(x - 1 + 2)
f(x) = (x - 3)(x + 1)
g(x) = -(x + 3)^2 - 6
g(x) = -(x^2 + 6x + 9) - 6
g(x) = -x^2 - 6x - 9 - 6
g(x) = -x^2 - 6x - 15
g(x) = -[(x + 3)^2 + 6]
On ne peut pas factoriser plus
h(x) = (x - 5)^2 - 1
h(x) = x^2 - 10x + 25 - 1
h(x) = x^2 - 10x + 24
h(x) = (x - 5 - 1)(x - 5 + 1)
h(x) = (x - 6)(x - 4)
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Réponse :
Explications étape par étape
Bonsoir
Forme développée et factorisé
f(x) = (x - 1)^2 - 4
f(x) = x^2 - 2x + 1 - 4
f(x) = x^2 - 2x - 3
f(x) = (x - 1 - 2)(x - 1 + 2)
f(x) = (x - 3)(x + 1)
g(x) = -(x + 3)^2 - 6
g(x) = -(x^2 + 6x + 9) - 6
g(x) = -x^2 - 6x - 9 - 6
g(x) = -x^2 - 6x - 15
g(x) = -[(x + 3)^2 + 6]
On ne peut pas factoriser plus
h(x) = (x - 5)^2 - 1
h(x) = x^2 - 10x + 25 - 1
h(x) = x^2 - 10x + 24
h(x) = (x - 5 - 1)(x - 5 + 1)
h(x) = (x - 6)(x - 4)