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(4r-5r^2) - (r-2r^2)

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Zidanbaroi9366id

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

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Angstar4id
(4r - 5r^2) - (r - 2r^2)
4r - 5r^2 - r + 2r^2
-5r^2 + 2r^2 + 4r - r
-3r^2 + 3r
-3r(r - 1)

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