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Sagot :

Bonjour,

I = 3 * (x + 5) = 3x + 15

J = (7 + h) * (- 4) = - 28 - 4h

K = 3x * (- 4 + x) = - 12x + 3x²

L = - 2y * (3y + 4) = - 6y² - 8y

N = - x * (- 1 + x) = x - x²

O = - 2 (5x - 1) = - 10x + 2

P = - 3a (6 - 5a) = - 18a + 15a²

Q = - 4 (3m² - 2m + 3) = * 1m² + 8m - 12.

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