SOLUTION: 10.2 30. -3x^2 - 2x - 5 = 0

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: 10.2 30. -3x^2 - 2x - 5 = 0      Log On


   

Question 171159: 10.2
30. -3x^2 - 2x - 5 = 0
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
-3x^2 - 2x - 5 = 0
3x^2 + 2x + 5 = 0
x = [-2 +- sqrt(4 -4*3*5)]/6
x = [-2 +- sqrt(4 - 60)]/6
x = [-2 +- sqrt(-56)]/6
x = [-2 +- 2isqrt(14)]/6
x = [-2 +- isqrt(14)]/3
===========================
cheers,
Stan H.