algebra
posted by
Dee on
.
Help me factor x^2 2x  4 = 0 and 3x^2 + x + 3 = 0.

algebra 
Kuai,
No factor

algebra 
Steve,
you can tell there are no rational roots because the discriminant is negative. No real roots, no factoring.
You can factor over the irrationals or complex, though, getting
(x1√5)(x1+√5)
and
1/12 (6x+1i√35)(x+1+i√35)