Answer:
D
Step-by-step explanation:
I took the quiz :)
(5a^2-4)*(25a^4+20a^2+16)
x=7/4
13x-17x+7=0
-4x+7=0
-4x+7-7=0-7
-4x=-7
-4x/-4=-7/-4
Answer: 9840
Idk