Answer:
5x^6-4
Step-by-step explanation:
(5x^3)^2-2^2
I believe that the correct answer is 25x^6−4
(5x^3+2)(5x^3−2)
=(5x^3+2)(5x^3+−2)
=(5x^3)(5x^3)+(5x^3)(−2)+(2)(5x^3)+(2)(−2)
=25x^6−10x^3+10x^3−4
=25x^6−4
