Posted by Anonymous on Friday, May 27, 2011 at 1:12am.
(7x+4)(2x+9)

polynomial  drwls, Friday, May 27, 2011 at 2:34am
That is not a polynomial.
It is the difference of two monomials.
Combine similar terms ('x' terms and constants).
7x  2x = ___
4  9 = ___
Then express the results as a new monomial. ___x + ___.
Fill in the blanks