Respuesta :

zidanbaroi9366

Answer:[tex]3r-29r^2[/tex]

Step-by-step explanation:

The following Visual Image consists with the steps

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Ver imagen zidanbaroi9366
angstar4
(4r - 5r^2) - (r - 2r^2)
4r - 5r^2 - r + 2r^2
-5r^2 + 2r^2 + 4r - r
-3r^2 + 3r
-3r(r - 1)