Find the real or imaginary solutions of each equation by factoring
I want to know If I am correct.

1) x^3+27=0 x=-3
2) 8x^3-1=0 x=1/2
3) x^4+21x^2-100=0 x=2, -2 , 5i, -5i
4) 2x^3+3x^2-8X-12=0 x=2, -2 , -3/2
Are these correct?

Question

Find the real or imaginary solutions of each equation by factoring 
I want to know If I am correct. 

1) x^3+27=0              x=-3 
2) 8x^3-1=0               x=1/2 
3) x^4+21x^2-100=0                    x=2, -2 , 5i, -5i 
4) 2x^3+3x^2-8X-12=0             x=2, -2 , -3/2 
Are these correct?

anonymous · Answer

didn't we just do these a second ago?

anonymous · Answer

Yea only this time it is imaginary solutions. Also two different questions.

anonymous · Answer

How do you get an imaginary solution? If you know how to do it could you show me with number 2?