Question

Which is the value of 3b² — b when b = 5?

Answer 1

The answer is

70

Explanation:

3b² - b

when b = 5

Substitute the value of b that's 5 into the expression

That's

3(5)² - 5

= 3(25) - 5

= 75 - 5

We have the final answer as

70

Hope this helps you