Bonjour,
Developper :
f(x) = 35(x - 2)(x + 4)
f(x) = 35(x^2 + 4x - 2x - 8)
• f(x) = 35x^2 + 70x - 280
g(x) = 1/2(x + 3)(x - 3)
g(x) = 1/2(x^2 - 9)
g(x) = x^2/2 - 9/2
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Bonjour,
Developper :
f(x) = 35(x - 2)(x + 4)
f(x) = 35(x^2 + 4x - 2x - 8)
• f(x) = 35x^2 + 70x - 280
g(x) = 1/2(x + 3)(x - 3)
g(x) = 1/2(x^2 - 9)
g(x) = x^2/2 - 9/2