Question

Factorise the above picture​

Answer 1

1+64x³=1+(4×4×4)x³

=1+(4x)³

so, ans is 1+(4x³)

Answer 2

Answer:

1+64x³

=(1)³+(4x)³

=(1+4x)[(1)²-1×4x+(4x)²]

=(1+4x)(1-4x+16x²)