Answer:
x+5 is the factor..
Step-by-step explanation:
xsquare + (8+5)x + 40
or, xsquare +8x+5x+40
or, x(x+8)+5(x+8)
(x+5)(x+8)
B, A, D, C
or 2, 1.81, 1.799, 1.511
B
The original value will be multiplied by 0.96 each time, making it 4% less than what it was.