Question

Find the real number solutions for e^4-4e^2+3

Answer: square root of positive and negative 3, 1 ans -1

How do I get there?

Answer 1

I'm stuck yet again. :/

Answer 2

Do you recall the rational root theorem and Descartes Rule of Signs?

Answer 3

I'm pretty sure I never learned that

Answer 4

Are you in algebra II or I?

Answer 5

2

Answer 6

Are you sure you never learned that you do all factors of q over all factors of p where q is the constant and p is the coefficient of the leading term?
±1, ±3 are the possible roots?

Answer 7

Oh, no, now I remember when you explained it. K, thanks one again - I know what to do now.

Answer 8

Alright. Any time :)