A piece of rectangular paper has a length of ( x + 9 ) units and a width of ( 2x - 1 ) units. Find the area of the paper. ( Note: Area of a rectangle = l x w )
A. 2x² - 17x - 9 square units B. 2x² - 19x - 10 square units C. 2x² +17x - 9 square units D. 2x² +19x - 10 square units
