Question 371907
Complete the square,
{{{f(x)=-16x^2+96x+25}}}
{{{f(x)=-16(x^2-6x)+25}}}
{{{f(x)=-16(x^2-6x+9)+25+16(9)}}}
{{{f(x)=-16(x-3)^2+25+144)}}}
{{{highlight(f(x)=-16(x-3)^2+169))}}}