Question 1141288
{{{f(x)=5(x^2-2x)+7}}}
completethesquareusing 1.
{{{5(x^2-2x+1-1)+7}}}
{{{5((x-1)^2-1)+7}}}
{{{5(x-1)^2-5+7}}}
{{{highlight(5(x-1)^2+2)}}}