SOLUTION: I am supposed to factor this problem, 9k^2-121j^2. I did a problem right before it which was Y^3-216=(Y-6)(y^2+6Y+y^2), So I believe the answer is (9k-121)(9k+9k(121j)+9k), however

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I am supposed to factor this problem, 9k^2-121j^2. I did a problem right before it which was Y^3-216=(Y-6)(y^2+6Y+y^2), So I believe the answer is (9k-121)(9k+9k(121j)+9k), however      Log On


   

Question 528672: I am supposed to factor this problem, 9k^2-121j^2. I did a problem right before it which was Y^3-216=(Y-6)(y^2+6Y+y^2), So I believe the answer is (9k-121)(9k+9k(121j)+9k), however it did not look right too me so This is why i need help. Thank you for taking the time to read this
Answer by Maths68(1474) About Me  (Show Source):
You can put this solution on YOUR website!
=9k%5E2-121j%5E2
=%283k%29%5E2-%2811j%29%5E2 use formula a%5E2-b%5E2=%28a-b%29%28a%2Bb%29
=%283k-11j%29%283k%2B11j%29