Question

What is the simpler form of (5x^3+2)(5x^3-2)?

-25x^6 + 20x^3 – 4
-25x^6 – 20x^3 – 4
-25x^9 – 4
-25x^6 – 4

Answer 1

do you know the identity
(a + b) (a - b) = a^2 - b^2

can you apply it and get the answer?

Answer 2

That would be \[25x^6-4\]