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Ch8 Exercices corrigés n°1 page 83 A = 5 +(2x +3)

F = 8x ?(5x +2) +(3 ?4x) = 8x ?5x ?2 +3 ?4x. F = 8x ?5x ?4x ?2 +3 = ?x +1 n°10 page 83 a) 5x +3x = (5 +3)x=8x b) 3x ?8x = (3 ?8)x = ?5x c) ?4x +15x = ( ?4 ...