Question 1159487
{{{3x^2-6x+5}}}

{{{3(x^2-2x)+5}}}

{{{3(x^2-2x+1)+5-3*1}}} {{{completing_the_square}}}

{{{highlight_green(3(x-1)^2+2)}}}

{{{system(A=3,B=-1,C=2)}}}