Answer:
8550
Step-by-step explanation:
Answer:
see explanation
Step-by-step explanation:
Using the rules of exponents
⇔
and
= 1
Substitute the values of x into 
x = 0 →
= 1 ⇒ a = 1
x = 2 →
=
=
, hence
b = 
x = 4 →
=
=
, hence
c = 
Answer: - x - 120
Explanation: You want to find the opposite of (120-x) not just x, so you just put the negative symbol next to both the variables.
Answer:
2z +9
Step-by-step explanation:
I like to line them up vertically and add like terms
6z+2
-4z +7
------------
2z +9