well, 7 d m = 7 d m b^0
You have it in DESCENDING not ascending powers of b
-7dm + 25d b^5 - 6d b^6 + 3 b^10
Arrange the terms of the polynomial in ascending powers of b.
25db^5-7dm+3b^10-6db^6
My answer is: Am I correct?
25b^5d-7dm+3b^10-6b^6d=3b^10-6b^6d+25b^5d-7dm
2 answers
That is the wrong answer