Подать в виде многочлена (3а^2+1)(9a^4-6a^2+1) (3a+1)(9a^2-6a+1) (3a^2+1)(3a-1)
(3а²+1)(9а⁴- 6а²+1) = 27а⁶-18а⁴+3а²+9а⁴- 6а²+1= 27а⁶- 9а⁴- 3а²+1 (3а+1)(9а²- 6а+1) = 27а³- 18а²+3а+9а²- 6а+1= 27а³- 9а² - 3а+1 (3а²+1)(3а- 1) = 9а³- 3а²+3а -1