Question 457063
First set the equation equal to zero:{{{5y^2-8y-2=0}}}, using the quadratic formula we get:

{{{y=(8+-sqrt(8^2+4*5*2))/(2*5)=(8+-sqrt(104))/10}}}, reduce the fraction.

The roots are: {{{y=(4+sqrt(26))/5}}} and {{{y=(4-sqrt(26))/5}}}