8a-6-5a-3-1-factorize-

Question Number 25899 by maheshagarwal last updated on 16/Dec/17

8 a^{6} + 5 a^{3} + 1 = f a c t o r i z e

Commented by sushmitak last updated on 16/Dec/17

a^{3} = x

x = \frac{- 5 \pm \sqrt{25 - 32}}{16} = \frac{- 5 \pm ι \sqrt{7}}{16}

f a c t o r s

(a^{3} - \frac{- 5 + ι \sqrt{7}}{16}) (a^{3} - \frac{- 5 - ι \sqrt{7}}{16})

Answered by maheshagarwal last updated on 16/Dec/17