Question

acube-8b cube factorise​

Answer 1

its your answer a3−8b3

Since both terms are perfect cubes, factor using the difference of cubes formula, a3−b3=(a−b)(a2+ab+b2) a 3 - b 3 = ( a - b ) ( a 2 + a b + b 2 ) where a=a and b=2b b = 2 b .