### Polynomials: Multiplication, Division, Subtraction, Addition

See attachment, thank you very much. Simplify each expression 1. 2x3 . 3x2 (x3 = X raised to the power 3, x2 = X raised to the power 2). 2. (2x2 y)4 3. 18x4 divided by 3x or 18x4 ----------- 3x 4. x-9 = 5. 9x