Is the merging congener of the second power of 10A + 8A + the second power of 7a + 5A - 6 the second power of 13A + 17a - 6?

Is the merging congener of the second power of 10A + 8A + the second power of 7a + 5A - 6 the second power of 13A + 17a - 6?

Well, yes, 13A and 178; + 17a-6