solve 16x^4-16x^3-32^2+36x-9=0
medal!!!

Question

solve 16x^4-16x^3-32^2+36x-9=0
medal!!!

anonymous · Answer

am i right 1/2,+-3/2

anonymous · Answer

@Directrix

directrix · Answer

Let me check. Just a second.

directrix · Answer

Before I check, just a thought.
This equation is a quartic which means it is of the fourth degree.
So, I'm expecting to find 4 roots.
Let me see.

anonymous · Answer

attachment

directrix · Answer

I am not getting the same answers as you did. Let me look at your post above and see what's going on.

anonymous · Answer

i may be wrong

directrix · Answer

I see the problem. 
The posted problem is missing an "x" after the -32.

solve 16x^4-16x^3-32^2+36x-9=0

Let me work this again.

directrix · Answer

Alrighty, then. I am getting what you did --> -3/2, 3/2, and 1/2.

1/2 is a double root so it is counting twice which gives 4 roots.

But, not 4 distinct roots which means your answers are correct.

Congrats on that  @cutegirl

anonymous · Answer

thanks so much i got more question for u to check lol

directrix · Answer

Okay.

directrix · Answer

Well, look. This is the equation from that problem I thought was the same one.

solve 16x^4-16x^3-32^2+36x-9=0

And, it was solved.