Question 758770
{{{ 2x^2+6x-10=x^2+6}}}

{{{ 2x^2+6x-10-x^2-6=0}}}


{{{ x^2+6x-16=0}}}.....use quadratic formula


 {{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}}


 {{{x = (-6 +- sqrt( 6^2-4*1*(-16) ))/(2*1) }}}


{{{x = (-6 +- sqrt(36+64 ))/2 }}}


{{{x = (-6 +- sqrt(100 ))/2 }}}


{{{x = (-6 +-10)/2 }}}

solutions:

{{{x = (-6 +10)/2 }}}

{{{x = 4/2 }}}

{{{x = 2 }}}

or

{{{x = (-6 -10)/2 }}}

{{{x = -16/2 }}}

{{{x =-8}}}


{{{ graph( 500, 500, -10, 10, -25, 10, x^2+6x-16) }}}