Question 356500
{{{y=(2x^2+24x)+25}}}
{{{y=2(x^2+12x)+25}}}<--- Factor out the 2.
{{{y=2(x^2+12x+36)+25-2(36)}}}<--- Add and subtract (1/2) coefficient of x squared.
{{{y=2(x+6)^2+25-72}}}
{{{highlight(y=2(x+6)^2-47)}}}