Answer:
2x³ - x² - 10x + 5
Step-by-step explanation:
Use FOIL method.
(x² - 5) (2x - 1) = x²*2x +(x²)*(-1) + (-5)*(2x) + (-5)*(-1)
= 2x³ - x² - 10x + 5
Answer:
b=45^1/2
Step-by-step explanation:

Answer:
-4 degrees Celsius
Step-by-step explanation:
start at 8
subtract 12 from 8
8-12=-4
Degree is the value of the highest power of the variable, and hence in this case is 8