Question

factorise:3xcube-x square-3x+1

Answer 1

3x³-x²-3x+1
=x²(3x-1)-(3x-1)
=(3x-1)(x²-1)
=(3x-1)(x+1)(x-1)

Answer 2

3x³-x²-3x+1
=x²(3x-1)-(3x-1)
=(3x-1)(x²-1)
=(3x-1)(x+1)(x-1)          - hope it  will help u