Question

If `x = 2`, what is the value of `2x^2-x`?

Answer 1

`4`

Explanation:

`x = 2`, so you substitute the `x` in the equation for `2`
When you replace all of the `x` variables with 2, you get:

`2(2)^2 - 2`
Simplify and get;
`2(4)-2`

Then your final answer is:
`4`