38. What is the product of (x + 5) (x + 3)? A. X2 + 8x + 15 B. X2 + 8x - 15

39. Which of the following shows the cube of a binomial? A. a3 – 4 B. (a - 4)

40. What is the product of the given expression (x + 4) (x – 4)? A. X2 + 8 B. X2 - 8

41. From the expressions (2x - 2) (x - 1), what are the inner terms? A. 2x, X B. 2x,-1 C. -2, x C. x2 + 16 D. x2 - 16 - D. -2, -1

42. Which of the following is the same as (x - 6 )?? A. X2 - 12x - 36 B. x2 - 12x + 36 C. x? + 12x - 36 D. x2 + 12

43. Which of the following is the product of the given expression (x - 2) (x + 2)? A. 2x2 + 4 B. 2x2 - 4 C. x2 + 4 D. x2 - 4

44. Find the product of the given expression (x + 2) (x2 - 2x + 4)? A. X - 8 B. x3 + 8 C. x - 4 D. X3 + 4​