Question

Factorise (2 (a)^4) - 128a

Answer 1

Step-by-step explanation:

2a⁴-128a

2a(a³-64)

the formula of a³-b³=(a-b) (a²+ab+b²)

here a=a and b=4

so the,

2a(a³-64)

=2a(a-4)(a²+4a+16)