How do you solve 2x2 plus x plus 3?

Answer 1

If 2x^2 + 2x+3 =0 (you didn't mention =0. did you mean to?)

then use the quadratic formula as follows:

x=(-2±√[4-4(6)])/4

x=(-2±√[4-24])/4

x=(-2±√-20)/4

x=(-1±√-5)/2

use i (imaginary number=√-1)

x=(-1±i√5)/2

thats the answer.