Answer
$(x+2y)(2x-3)$
Work Step by Step
Factoring the $GCF=(x+2y)$ the given expression is equivalent to
\begin{array}{l}\require{cancel}
(x+2y)(x-1)+(x+2y)(x-2)
\\\\=
(x+2y)[(x-1)+(x-2)]
\\\\=
(x+2y)[x-1+x-2]
\\\\=
(x+2y)(2x-3)
.\end{array}