Question

factorise a6- 26a3-27​

Answer 1

$\huge\bf\blue{a^6-26a^3-27}$

$\bf\green{Factorising-}$

$\sf\pink{a^6-27a^3+1a^3-27}$

$\bf\blue{Talking~commons}$

$\sf\pink{a^3(a^3+1)-27(a^3+1)}$

$\bf\red{-Simplifying}$

$\sf\pink{(a^3+1)(a^3-27)}$

$\bf\gray{-Hence~Factorised}$