Math

8r^2(4r^2 -5r+7)=

Asked by AnneS2 on 20 Aug 12:36

Last updated by anonymous on 21 Aug 16:21

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Answered by CherieS on 21 Aug 16:21

8r^2(4r^2 -5r+7)

8r^2(4r^2) (8r^2) ( -5r) (8r^2)(+7)

32r^4 -40r^3 +56r^2