If x = - 2 calculate the value of: x cubed + 3

Question

Mathematics

Emery Ingram

23 March, 03:19

If x = - 2 calculate the value of: x cubed + 3

+4

Answers (2)

Know the Answer?

Karina Chambers · Answer 1

Xcubed=x^3=x*x*x

if x=-2

-2 cubed+3=-2*-2*-2+3=4*-2+3=-8+3=-5

Jaiden Escobar · Answer 2

-2^3 + 3

The first step is to cube - 2. This means you do this:

-2 * - 2 * - 2

This is equal to - 8. Now, your equation looks like this:

-8 + 3

The answer to the above is - 5. Good luck!