Question

Сократите дробь 

6a^2-5a+1/1-2a^2

Answer 1

$frac{(2a-1)(3a-1)}{(1-2a)(1+2a)}= frac{1-3a}{1+2a}$

Answer 2

6а^2-5а+1/1-2а^2= 6а^2-3а-2а+1/)1-2а)(1+2а)= 3а(2а-1)-(2а-1)/(1-2а)(1+2а)= (3а-1)(2а-1)/(1-2а)(1+2а)= -(3а-1)/1+2а= 1-3а/2а+1

Ответ: -(3а-1)/(1+2а)