Answer
$(x-2)(2x+1)$
Work Step by Step
Group the first two terms together; then, group the last two terms together to obtain:
$=(2x^2-4x) + (x-2)$
Factor out the GCF of each group ($2x$ in the first and $1$ in the second)
$=2x(x-2) + 1(x-2)$
Factor out the GCF $(x-2)$ to obtain:
$=(x-2)(2x+1)$
