(2p+9)(3p+1)

2 answers

What is your question?
assuming you want to expand the product, you get

6p^2 + 29p + 9

Play around some at calc101.com -- click on the long multiplication button.

multiplying polynomials is just like multiplying numbers, where the power of the variable is like the 1s,10s,100s,... columns in numbers. Those columns represent powers of 10, rather than some unknown variable.