Question 105255
Try this:
Standard form is;
{{{y = ax^2+bx+c}}}
{{{y = -(3x-4)^2+6}}} Expand the parentheses by squaring.
{{{y = -(9x^2-24x+16)+6}}} Simplify.
{{{y = -9x^2+24x-16+6}}}
{{{y = -9x^2+24x-10}}} ...and there you have it!