thi759496 thi759496
  • 19-12-2021
  • Mathematics
contestada

1.làm tính nhân
-3x. (x^2+7x-1/3)

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ParasThomarIndo
ParasThomarIndo ParasThomarIndo
  • 18-03-2022

[tex] - 3x( {x}^{2} ) \: + \: - 3(7x) \: - \: - 3x( - \frac{1}{3} ) \\ = { - 3x}^{3} \: + \: - 21x \: - \: \frac{3}{ 3} \\ \bf{= {- 3x}^{3} \: + \: - 21x \: - \: 1}[/tex]

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