22 Kellie's laptop computer has a screen with length equal to 5x + 4 and width equal to 8x-5. What i equation of the area of the screen and its actual area if x = 7 cm? 8. A = 40x + 7x-20 and 1989 cm b. A 40x2-7x-20 and 1989 cm c. A d. 40x+7x-20 and 1891 cm A 40x-7x-20 and 1891 cm 23 The factored form of the expression -251 - 175 is a. -25(1-7) c. 25(1-7) d. 25(1+7) b. -25(1+7) 24 Which expression is NOT an example of a difference of squares? B 36x-49 b. 64-16x2 25 Factor x+2x-48. a. (x 8)(x + 6) b. (x+8)(x-6) C. 225-100x d. 9x-181 c. (x+12)(x-4) d. (x-12)(x+4)