solve and simplify the answer completely by using pure imaginary numbers/complex numbers.

2x^2+3x+2=0

1 answer

Use the quadratic formula. The one with sqrt(b^2-4ac) in it. It must be in your text. If it isn't, read
http://en.wikipedia.org/wiki/Quadratic_equation

a = 2, b = 3, c = 2