Answer
$(x-2)(3x-4)$
Work Step by Step
First, for the polynomial $3x^2 - 10x + 8$, we write
$$
3x^2 - 10x + 8=3x^2 - 6x -4x+8
.$$
By grouping the first two terms and the second two terms and then taking common factors, we have
$$
3x^2 - 6x -4x+8=3x(x-2)-4(x-2)=(x-2)(3x-4)
.$$