Answer:4x^2-9
Step-by-step explanation:
By using the FOIL method we multiply 2x by 2x, 2x by -3, 3 by 2x, and 3 by -3.
After doing this we are left with 4x^2-6x+6x-9
The -6x and 6x cancel each other out leaving just 4x^2-9
