Question

What is the solution for w:
w^4-18w^2-2=0

Answer 1

Substitute w^2 with x

Answer 2

The rest you can do

Answer 3

I am checking my work...to see what I did wrong

Answer 4

You mean you want the answer?

Answer 5

you can break down middle term and factor by grouping then solve

Answer 6

i like btm method too...

Answer 7

I want to see where I went wrong on the answer I turned in 2 days ago and graded on yes...problem? I thought that is what this was for..

Answer 8

want to write what you did before?

Answer 9

there be more than one way to solve this.

Answer 10

w^2-8^2^2=0

Answer 11

I know, I know..I was horribly
off...

Answer 12

okay, do you see how to use either of the other suggestions?

Answer 13

no I am really confused...I hate this stuff...

Answer 14

http://www.algebra.com/algebra/homework/quadratic/Quadratic_Equations.faq.question.332342.html