Question 309639
3v2 + 4v - 1 = 0
{{{v = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}}
v=(-4+-sqrt[4^2-4*3*-1])/2*3
v=(-4+-sqrt16+12)/6
v=(-4+-sqrt28)/6
v=(-4+-5.29)/6
v=(-4+5.29)6
v=1.29/6
v=.215 ans 
v=(-4-5.29)/6
v=-9.29/6
v=1.548 ans.