Question

Factorise.


x-64x^3



for your help answer given:x(1-8x)(1+8x)



full solution needed...​

Answer 1

x- 64 x^3

x( 1- 64 x^2)

a^2 - b^2 = ( a+ b)( a- b)

put a= 1 , b= 8x

1- 64 x^2 = ( 1+ 8x)( 1- 8 x)

So

x( 1- 64 x^2)

x( 1+8x)( 1- 8x)