Raph1917ask Raph1917ask Mathématiques résolu A(x) = (3 + x)² D(b) = (b - 5)² G(w) (2w+1) ² B(y) = (7-3y)² C(x) = (3x)² E(x) = (x + 7)(x-7) F(x) = (1 + 3x)² H(u) = (3u - 1)(3u + 1) 1(x) = (4x + 9) (4x - 9)