Math

(5y^4- 8) + (7y^4+ 4 + 9y^2)=

Asked by AnneS2 on 20 Sep 06:10

Last updated by anonymous on 21 Sep 10:55

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Answered by CherieS on 21 Sep 10:55

(5y^4- 8) + (7y^4+ 4 + 9y^2)

5y^4- 8 + 7y^4+ 4 + 9y^2

5y^4+ 7y^4 + 9y^2 + 4 -8

12y^4 + 9y^2 -4