Answer:
-0.25 + 1.20i, -0.25 - 1.20i to nearest hundredth.
Step-by-step explanation:
Im assuming you want to solve 2x^2 + x + 3 = 0 for x:
2x^2 + x + 3 = 0
You can use the quadratic formula to do this:
x = [-1 +/- sqrt(1^2 - 4*2*3)] / 2*2
= -1/4 +/- sqrt(-23)/4
= -0.25 +/- i sqrt23/4
= -0.25 +/- 4.80i / 4
= -0.25 +/- 1.20i