Question

What are the real and complex solutions of the polynomial equation?

0=x^4+3x^2-4

Answer 1

so you would input something for x I normally start with 1 and it so happens to work so it would become
0=1^4+3(1)^2-4
1^4=1
3(1)^2=3
1+3=4
4-4=0

Answer 2

Oh, thanks!

Answer 3

no problem