Question 1100422
Complete the square,
{{{f(x)=2x^2-7x-10}}}
{{{f(x)=2(x^2-(7/2)x)-10}}}
{{{f(x)=2(x^2-(7/2)x+(7/4)^2)-10-2(7/4)^2}}}
{{{f(x)=2(x-7/4)^2-80/8-49/8}}}
{{{f(x)=2(x-7/4)^2-129/8}}}