caitlynscholtz381 caitlynscholtz381
  • 24-02-2021
  • Mathematics
contestada

(3x² + xy – 2y²)(x + 2y)​

Respuesta :

avashams avashams
  • 24-02-2021

Answer:

3x^3+7x^2y−4y^3

Step-by-step explanation:

(3x^2+xy+−2y^2)(x+2y)

=(3x^2)(x)+(3x^2)(2y)+(xy)(x)+(xy)(2y)+(−2y^2)(x)+(−2y^2)(2y)

=3x^3+6x^2y+x2y+2xy^−2xy^2−4y^3

=3x^3+7x^2y−4y^3

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