Question

a^3 - 4ab^2 factorise this

Answer 1

Answer:

$a {}^{3} - 4ab {}^{2}$

$a(a {}^{2} - 4b {}^{2} )$

$a(a {}^{2} - (2b) {}^{2} )$

$a(a - 2b)(a + 2b)$