Question

Does someone mind helping me with this problem? Thank you!

Answer 1

Answer: 51

Explanation:

We will use the Order of Operations, sometimes known as PEMDAS.

Given:

5x² - x + 9

Plug in the value of 3:

5(3)² - (3) + 9

To the power of 2:

5(9) - 3 + 9

Multiply:

45 - 3 + 9

Subtract:

42 + 9

Add:

51