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Sagot :

Réponse:

[tex]f(x) = (x - 100){(x - 2) + (2x + 3)} \\ = (x - 100)(x - 2 + 2x + 3) \\ = (x - 100)(3x + 1) \\ f(x) = 0 \\ (x - 100)(3x + 1) = 0 \\ x - 100 \: = 0 \: ou \: 3x + 1 = 0 \\ x = 100 \: ou \: x = - \frac{1}{3} [/tex]

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