9. Which expression represents the area of the rectangle below in square units?
The left side of the rectangle is 2x.
The bottom side of the rectangle is 3x+2.
The other two sides are blank.
10. Simplify the expression.
3x³ - 4x² + 2x + 1 - (3x³ + 4x² - 2x + 1)
b. -8x² + 4x
c. 6x³ + 2
d. 6x³ - 8x² + 4x + 2
Please help!! Show work please. Thank you.