Question

Factorise : a^3+b^3-12ab+64

Answer 1

Answer:

$= {a}^{3} + {b}^{3} - 12ab + 64$

Step-by-step explanation:

$= (a + b) ^{3} - 12ab + 64$

$( a + b )^{2} = a ^{3} + b ^{3} + 3ab(a + b)$

$= a ^{3} + b ^{3} + 3ab(a + b) - 12ab + 64$