SOLUTION: Find two complex number roots for the equation 2x^2+8x=3x-7

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Find two complex number roots for the equation 2x^2+8x=3x-7      Log On


   

Question 1059920: Find two complex number roots for the equation 2x^2+8x=3x-7
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
2x%5E2%2B5x%2B7=0

Discriminant, 5%5E2-4%2A2%2A7=25-56=-31

x=%28-5%2B-+sqrt%28-31%29%29%2F4

highlight%28x=-5%2F4%2B-+i%28sqrt%2831%29%2F4%29%29