Question

x^3 = x^2 + 1

Answer 1

\[So,~x^3 - x^2 - 1 = 0 \]

Here's what the wolf says now:
http://www.wolframalpha.com/input/?i=x%5E3+-+x%5E2+-+1+%3D+0&lk=4

Answer 2

do they have any other way to approch the question, i mean qithout graph?

Answer 3

Hmm, I don't think this cubic is factorable. Like wolf says, the only real root is irrational, so how do we go about it then?

Answer 4

yeah., thank u

Answer 5

no worries!