Let x be the first page and x + 1 be the facing page.....and we have
x (x + 1) = 272
x^2 + x - 272 = 0 factor
(x + 17) (x - 16) = 0 only the second factor yields a positive answer when we set it to 0
So.....pages 16 and 17 produce the desired result !!!!
