Respuesta :

(2y-at)(y+2at)


Answer: 2a^2t^2+3aty+2y^2

I hope this helps
[tex](2y-at)(y+2at)[/tex] 

[tex]2y^2+4yat-aty-2a^2t^​2[/tex] 

[tex]2y^2+(4yat-aty)-2a^2t^​2[/tex]  

[tex]2y^2+3aty-2a^2t^2[/tex]
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