Mathématiques

Question

Qui pourrez nous aidé ?? Je vous remercie par avance :)
Développer et réduire
A= (x + 8)²
B = (3x - 2)²
C = ( 5x+2) (5x - 2)
E = (3+2x)²
F = (5-11x)²
G = (9x-4) (4+9x)

2 Réponse

  • A= (x + 8)²
    a =  x² +16x +64

    B = (3x - 2)²
    b = 9x²-12x +4

    C = ( 5x+2) (5x - 2)
    c = 25x²-4

    E = (3+2x)²
    e = 9 +12x +4x²

    F = (5-11x)²
    f = 25 -110x +121x²

    G = (9x-4) (4+9x)
    g = 36x +81x² -16 -36x
    g = 81x² -16
  • A= (x + 8)²
    a =  x² +16 

    B = (3 x - 2)²
    b = 9x²-12x +4

    C = ( 5x+2) (5x - 2)
    c = 25x²-4

    E = (3+2x)²
    e = 9 +12x +4x²

    F = (5-11x)²
    f = 25 -110x +121x²

    G = (9x-4) (4+9x)
    g = 36x +81x² -16 -36x
    g = 81x² -16

Autres questions