Question

Simplify:
5x2 – x + 9 = [?]
x=3
Enter

Answer 1

The answer is 51

Explanation:

What you need to do here is assign a value of 3 to x, and output the value. Let's see what we get:

`5x^2 - x + 9\\5(3)^2 - (3) + 9\\5 * 9 + 6\\45 + 6\\51`