C = (- 8 - 12) / [(4 x 25) - 98]

C = -20 / 2

C = -10

-2³ = - (2 x 2 x 2) = -8   (piège)

bonjour

[tex] = \frac{ - 8 - 12}{4 \times 25 - 98} = \frac{-20}{100 - 98} = \frac{-20}{2} = -10

bonne journée