Question

The expression below is a sum of cubes.
216x3 +64
true or false?

Answer 1

Since 216 is the cube of 6, 64 is the cube of 4 and x^3 is the cube of x, we have

`216x^3 + 64= (6x)^3+4^3`

so the expression is the sum of the cubes of 6x and 4

Answer 2

True

Explanation: