step 1: multiply 9 and 2 which gets you 18
step 2: multiply 9 and -3r which gets you -27r
step 3: multiply -r and 2 which gets you -2
step 4: multiply -r and -3r which gets you 3r
now you should have: 18-27x-2x+3x^2
collect like terms and it should now look like:
3x^2-29x+18 (<- answer)
