Brianne T. answered 02/22/16
Tutor
New to Wyzant
High School Math and Science tutoring
(17x-1)3 = (17x-1)(17x-1)(17x-1)
(17x-1)(17x-1) = 289x2 - 34x + 1 is (17x-1)2. Multiply that by 17x-1 again to get (17x-1)3
(289x2 - 34x + 1)(17x-1) = 4913x3 - 578x2 + 17x -289x2 +34x -1 = 4913x3 - 867x2 + 51x - 1