TRAVAUX DIRIGÉS N°1 - MATHÉMATIQUES
F = (x + 4)(x ? 2) + (x ? 5)(x + 3). F = x × x ... (5x + 6)(2x + 3) = 10x2 + 27x + 18. 2. (4x + b)(x + 5 ... (4x + b)(x +5)= 4x2 + 20x + xb + 5b. 3. (2x ...
F = (x + 4)(x ? 2) + (x ? 5)(x + 3). F = x × x ... (5x + 6)(2x + 3) = 10x2 + 27x + 18. 2. (4x + b)(x + 5 ... (4x + b)(x +5)= 4x2 + 20x + xb + 5b. 3. (2x ...