Answer:
18x^2 + 33x - 9
Step-by-step explanation:
to combine, i like using the foil method
3x x 6x = 18x^2
3x x -9 = 27x
1 x 6x = 6x
1 x -9 = -9
and then just combine those together
18x^2 + 27x + 6x -9
and then add the 2 in the middle
18x^2 + 33x - 9
