SOLUTION: If k represents any positive integer, what is true about the answer you get when multiplying (9x + k)(9x + k)?

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: If k represents any positive integer, what is true about the answer you get when multiplying (9x + k)(9x + k)?      Log On


   

Question 315876: If k represents any positive integer, what is true about the answer you get when multiplying (9x + k)(9x + k)?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
%289x%2Bk%29%289x%2Bk%29=9x%5E2%2B9xk%2B9xk%2Bk%5E2
%289x%2Bk%29%289x%2Bk%29=9x%5E2%2B18xk%2Bk%5E2
All of the coefficients are greater than or equal to zero.