Сократите дробь (8*a^2-2)/(8-16*a)

Question

Сократите дробь (8*a^2-2)/(8-16*a)

Answer 1

2(4а²-1)/8(1-2а)=2(4а+1)(2а-1)/-8(2а-1)=-(2а+1)/4

Answer 2

(8*а^2-2)/(8-16*a) = 2(4a^2-1)/8(1-2a) = (2a-1)(2a+1)/4(1-2a) =

=(2a-1)(2a+1)/(-4(2a-1)) = (2a+1)/(-4)