Question

The polynomial x3 + 64 is an example of a

A.sum of cubes
B.difference of cubes
C.difference of squares
D.perfect-square trinomial

Answer 1

A.sum of cubes is the correct answer on E.D.G.U

Good luck!

Answer 2

x^3 is a perfect cube
64 is a perfect cube (since 64 = 4^3)
When I say "perfect cube" I mean it can be written in the form A^3 where "A" is a placeholder for a number or variable expression (such as x)

Since we have two cubes and we're adding them, we have a sum of cubes

Answer: Choice A) sum of cubes