Categoty :
elaine : Find the value of the middle term(s) in the expansion of (2x - 13x)9.

: Find the value of the middle term(s) in the expansion of (2x - 13x)9.
- 22427x and 224243x3#0#4489x only#0#89x and - 427x#0#4489x and - 22427x#0#