Question

What is the value of 4 - 2b2 + 3C

when b = 2 and C=-1?
Step by step plzzzzz! HELP MEEEEEE!!!!!!!

Answer 1

-7

Explanation:

Sub in the numbers

4 - 2(2)2+ 3(-1)

4 - 8 + (-3)

= -7

Answer 2

-7

Explanation:

`4-2b^2 +3c\\b =2\\c = -1\\4-2(2)^2 +3(-1)\\4- 2(4) -3\\4-8-3\\= -7`