Simplify the following expressions:   Special Products (With Solution Please)

1. (x + 4)( x - 4)( x + 4)

2. (2 - 7x)²  + ( x + 3 )² - (3x - 4)²

Simplify each.

3. ( 3a + 5)² = (3a + 3)²

Expand each of the following:

4. (7 + c)³

5.(3e² - 5f)³

6.(5h + 3j)³

7.(3 - 8x)³

8.(b + 11)(b - 11)

9.(5k + 8)(5k - 8)

10.(7m + 5n)(7m - 5n)

11.(9 - 2s²t²)(9 + 2s²t²)

12.(4m×n× + 3p) (4m×n× - 3p)

Use algebra tiles to represent a figure whose area is given by the following expressions. Write the polynomials represented by your drawing.

13.( x + 4)(x - 4)

14.(5x + 1)(5x - 1)