Bonjour,
Pour a = - 4 et b = -2
A = 7a + 3 b²
A = 7*-4 + 3*-2²
A = -28 + 3*-4
A = -28 - 12
A = - 40
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Bonjour,
Pour a = - 4 et b = -2
A = 7a + 3 b²
A = 7*-4 + 3*-2²
A = -28 + 3*-4
A = -28 - 12
A = - 40