Question 189832
{{{30x^2 + 4x - 2}}}
use quadratic formula
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}}
{{{a = 30}}}
{{{b = 4}}}
{{{c = -2}}}
{{{x = (-4 +- sqrt( 4^2-4*30*(-2) ))/(2*30) }}}
{{{x = (-4 +- sqrt( 16 + 240 ))/60 }}}
{{{x = (-4 +- sqrt( 256 ))/60 }}}
{{{x = (-4 +- 16)/60 }}}
{{{x = (-4 + 16)/60}}}
{{{x = 1/5}}}
and
{{{x = (-4 - 16)/60}}}
{{{x = -1/3}}}
The factors are:
{{{(x - 1/5)(x + 1/3)}}}