Question

how to find x in x^2-x-1 ?

Answer 1

As is, you do not have an equation. What is that expression equal to?

Answer 2

to 0

Answer 3

i found x

Answer 4

The quadratic formula seems like a good candiate. OMG lgbasallote has already found x!

Answer 5

teachers should phrase it as solve for x :P find x is tooo easy (unless x happens to be wally)

Answer 6

that was not helpful at all , but I understand your point

Answer 7

on a helpful note though...use either completing the square or q.f.

Answer 8

it is not factorable...i can give you that

Answer 9

\[x ^{2}+x-1=0\]A=1
B=1
C=-1
Use quadratic formula.

Answer 10

C would be +1, when you move it to the other side of the equation

Answer 11

x=[-1+/-sqrt(1+4]/2
\[=(-1\pm \sqrt{5})/2\]