Question:

9. Which of the following is the product of the given expression (x - 2)(x + 2)? show your solution

a. 2x2 + 4

b. 2x2.4

c. X+4

d. x2 - 4

Answer:

d. x2 - 4

Step-by-step explanation:

x - 2 × x + 2

x² + 2x² - 2 × 2

x² + 2x² - 4

x² - 4