## College Algebra (10th Edition)

$(x-2)(2x+1)$
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: $=(x-2)(2x+1)$