Let's look at the multiplication exponent rule.

Meaning that the exponents will add together when the same base is multiplied.

Hope this helps.
頑張って!
The last one is the answer
Answer:
a2+2a+2
Step-by-step explanation:
Find F(5) for f(x)= 1/4 (2) the answer is a2+2a+2
Answer:
2x^2+10x+2
Step-by-step explanation:
12x^2 +5x+1 - ( 10x^2 -5x-1)
Distribute the minus sign
12x^2 +5x+1 - 10x^2 +5x+1
Combine like terms
2x^2+10x+2
18. all you have to to is take twenty and subtract 2 from it and you get x