Answer:
2.7572546374
hope this was helpful
(x-5) (x+4)
Step-by-step explanation:
x^2-x-20
What two terms multiply to -20 and add to -1
-5*4 = -20
-5+4 = -1
The answer would be B
a2 = 1
ab=2
8b and b2=3
