Answer:
-103
Step-by-step explanation:
Just subtract
Answer:
(a) 
(b) 
Step-by-step explanation:
Given

Solving (a): Simplify

Open brackets

Collect Like Terms

Simplify Like Terms

Solving (b): Simplify when a = 2 and b = -1





Hence:

Answer: Ooh, okay. Have fun then I guess.
The answer is -21 I just took the test
Answer:
Distributive
Step-by-step explanation: