Answer:The answer is (7o-2w)(5d-13)Step-by-step explanation:Group them firstGroup them criticallysometimes you will try different combinationsso 26wr-91or+35of-10wd will be grouped into(35od-91or)(-10wd+26wr)Factor them with its monomialso7o(5d-13) -2(5d-13)I intentionally not divide those in lowest term so that (5d-13) will be presentthen put 7o and -2 into 1 expression and copy 5d-13 into anotherso that will be(7o-2w)(5d-13)which will be the answer