Simplify the expressions below. write the final product in standard form and show your work to receive full credit.. 1. 2x4(4x2 + 3x + 1). 2. (4x – 3)(2x2 – 7x + 1). 3. (x2 + 4x – 3)(2x2 + x + 6). 4. write a simplified polynomial expression to represent the area of the rectangle below.. picture of rectangular with one side labeled as 2 times x minus 4 and another side labeled as x plus 5. 5. write a simplified polynomial expression to represent the area of the square tile, shown below. a square shaped tile with length x minus three is shown.