Question

выполните действия 

5a^2-4a(3a-4)

Answer 1

5а²-4а(3а-4)=5а²-12а²-16а=-7а²-16а=-а(7а+16)

Answer 2

5a^2-4a(3a-4)=5a^2-12a^2+16a=-7a^2+16a