lexlez456 lexlez456
  • 28-08-2018
  • Mathematics
contestada

Factor
[tex] {9x}^{2} - {25y}^{2} [/tex]

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Respuesta :

gmany
gmany gmany
  • 02-09-2018

[tex] \text{Use}\ (a-b)(a+b)=a^2-b^2\\\\9x^2-25y^2=(3x)^2-(5y)^2=(3x-5y)(3x+5y) [/tex]

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