Question 275262
Can someone help with the following problem with finding the zeroes? 
f(x) = 5x^2 - 2x - 1
-------------------
Use the quadratic formula:
a = 5 ; b = -2 ; c =-1
---
x = [2 +- sqrt(4-4*5*-1)]/10
---
x = [2 +- sqrt(24)]/10
---
x = [2 +- 2sqrt(6)]/10
---
x = [1 +- sqrt(6)]/5
=============================
Cheers,
Stan H.