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

Question

directrix · Answer

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

anonymous · Answer

one answer is 8 and the other is 32

directrix · Answer

Let's see.

If x = 2, then the equation becomes 4*2  +2 * 2² -  2³ =

directrix · Answer

4*2  +2 * 2² -  2³ = 8 + 8 - 8 = 8.

That is what I got. What do you think?

anonymous · Answer

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

directrix · Answer

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.