How do you factor a polynomial of 4x plus 12x squared plus 16x cubed?

Re=Write as

16x^(3) + 12x^(2) + 4x

Take out the common factor of '4'

Hence

4(4x^(3) + 3x^)2) + x)

Take out the common factor of 'x'

Hence

4x( 4x^(2) + 3x + 1) The answer!!!!!