Question

Factorise
1-8acube. ​

Answer 1

by Formula

a^3 + b^3 + 3 a^2 b + 3a b ^2

a = 1

b = - 8

( 1) ^3 + ( - 8a ) ^ 3 + 3 ( 1)^2 ( - 8a) + 3 (1) ( - 8a )^2

1 + ( - 512 a^3 ) + ( - 24 a ) + 3 ( 64 a^2 )

1 - 512 a^3 - 24 a + 192 a^2

- 512 a ^3 + 192 a ^2 - 24 a + 1

hope it helps u