Answer
Answers may vary--two examples are given below.
559: $35x^2+559x-16 = (35x-1)(x+16)$
73: $35x^2 +73x-16 =(5x-1)(7x+16)$
Work Step by Step
$35m^2+xm-16$
$(35x-1)(x+16) = 35x^2+560x-x-16 = 35x^2+559x-16$
$(5x-1)(7x+16) = 35x^2+80x-7x-16 = 35x^2 +73x-16$