Question 768904
{{{ 3x^2 -30x +48=0}}}

{{{3(x^2-10x + 16)=0}}}

{{{x^2 -10x +16=0}}}

{{{x^2 - 8x -2x +16 =0}}}
{{{x(x-8) -2(x-8)=0}}}
{{{(x-8)(x-2)=0}}}
{{{x=8 or x=2}}}