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Sagot :

Bonsoir,

d = 44x² + 36x
   = 4x(11x + 9)

e = 5x² - 180
  = 5(x² - 36)
  = 5(x² - 6²)
  = 5(x + 6)(x - 6)

f = 24x² - 72x + 54
  = 6(4x² - 12x + 9)
  = 6(2x - 3)²
Bonsoir
d = 4x(11x+9)
e = 5(x²-36)
f = 6(2x-3)²

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