3. 12 a
4. 7b-10
all you have to do is add up all of the sides.
Answer:
im not really smart lol
Step-by-step explanation:
First, you do the distributive property on:
4(2n+3)
You would get
8n+12
Then add the original part of the equation in (4n)
4n+8n+12
Combine like terms
12n+12 is the answer
Answer:
-7×-9
=63
Step-by-step explanation:
If u multiple - with -, I'll get + sign
Step-by-step explanation:
f(x)=2x+1 and g(x)=x²-7
(f/g)(x) = (2x+1)/(x²-7)