Question

u^2+2u-2=0 solve

Answer 1

factor or use the quadratic

Answer 2

yes

Answer 3

I'm telling you to do it lol

Answer 4

ok well i wouldnt be asking for help if ik what to do

Answer 5

http://www.wolframalpha.com/input/?i=factor%28u%5E2%2B2u-2%29

Answer 6

DO you know quadratic formula?

Answer 7

yes but i get confused on where to put my numbers in at

Answer 8

\[\Large u=\frac{-b \pm \sqrt{b^{2}-4ac}}{2a}\]
here
b(coeffi. of u)=2
a(coeffi. of u^2)=1
c = -2

substitute.

Answer 9

ok u=-2+-squreroot 2*-4*1*2 is this right

Answer 10

\[\Large u=\frac{-2 \pm \sqrt{2^{2}-4(1)(-2)}}{2(1)}\]

Answer 11

ok now idk were to go frm here

Answer 12

u=-2+-sqrt2^2+8

Answer 13

i am sorry this whole thing is very confusing to me