Question

Evaluate the expression 2x^2-x when x=3

Answer 1

Explanation:

The answer would be 15

So first you can do the exponent so 2x^2 = 2*3^2 so 3^2 is 9 and 2*9 is 18 so 18 - x or 18 - 3 is 15

Answer 2

Your answer will be 6