Mathématiques

Question

A=5(3x-17)?
B=x(9x+15)?
C=7x(8+5x)?
D=36x+12?

2 Réponse

  • A = 5(3x-17)
    A = 15x - 85

    B = x(9x+15)
    B = 9x² + 15x

    C = 7x(8+5x)
    C = 56x + 35x²
    C = 35x² + 56x

    D = 36x+12
    D = 12(3x + 1)
  • A= 15x-85
    B= 9x²+15x
    C= 56x+35x= 91x
    D= 12(3x+1)

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