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

1 Answer
Sep 25, 2016

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