Question

Factor t^4 - 6t^2 - 9.

Answer 1

That doesn't factor. Maybe +9?

Answer 2

Only way I could see it is maybe if imaginary numbers were involved.

Answer 3

but imaginary numbers arent real *pun*

Answer 4

According to my teacher, that's the equation, no imaginary numbers. :/

Answer 5

If that's it, then it's as factored as it's going to get.

Answer 6

I'll just tell him he's wrong. :) Thank you.

Answer 7

Sure thing :)