Question

for y=4x+2x²-x³ show how to find the value for y when x =2 show your work i have two different answers. one is my brothers one is mine

Answer 1

What are the two answers that you and the brother got?

Answer 2

one answer is 8 and the other is 32

Answer 3

Let's see.

If x = 2, then the equation becomes 4*2 +2 * 2² - 2³ =

Answer 4

4*2 +2 * 2² - 2³ = 8 + 8 - 8 = 8.

That is what I got. What do you think?

Answer 5

i think my brother and everyone else is smarter than me. lol thank you

Answer 6

I don't think so. Just work the problems in steps. This stuff is not easy for anybody although it may appear that way at times.