SOLUTION: Need help solving this, trying to figure out how to get rid of decimals to make quadratic equation easier to solve. -0.3x^2 + 0.1x = -0.02

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Need help solving this, trying to figure out how to get rid of decimals to make quadratic equation easier to solve. -0.3x^2 + 0.1x = -0.02      Log On


   

Question 411133: Need help solving this, trying to figure out how to get rid of decimals to make quadratic equation easier to solve.
-0.3x^2 + 0.1x = -0.02
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

-0.3x^2 + 0.1x = -0.02  |multiplying thru by -100

 30x^2 - 10x - 2 = 0

 15x^2 - 5x - 1 = 0

x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+

x+=+%285+%2B-+sqrt%28+85+%29%29%2F%2830%29+