Answer:
3n^2+7n-5
Step-by-step explanation:
Distribute n to 3n and -1
Distribute 5 to 3n and -1
then you have 3n^2-n+8n-5
Use the like terms principle to get
3n^2+7n-5
Answer:
3
Step-by-step explanation:
Using both of the -7’s: -7+-7=-14
G, adding the numbers into the formula it works
