MATHILDEMARCELIN20 MATHILDEMARCELIN20 BREVET Answered AIDER MOI SVP Exercice 3 4 ph 1. Développer et réduire A = 2x (x - 2) + 3x (-x + 1) C = 5 (3x - 1)(x + 4) E = (x+3)² = (x − 1)² - 2. Factoriser F = 2x(3x - 1) + (x-2)(3x - 1) H = 3x (x - 5) + 2x(5-x) B = (3x + 2) - 2x (x-7) D= (2x + 1)² - 2x G= (2x + 5)(x-2) + (x-2) 1 = 2x(x − 3) + 2x-6) (x+4)