D(x) = (5x+3)(4x-2) + 2(5x+3)(-x+3)



Répondre :

D(x) = (5x+3)(4x-2) + 2(5x+3)(-x+3)
      =20x²+2x-6-10x²+24x+18
      =10x²+26x+12

Ask D'autres questions