Question 663856
{{{f(1+h)-f(1) = (-4*(1 + h)^2 + 6*(1 + h)) - (-4*(1)^2 + 6*(1))}}}
{{{f(1+h)-f(1) = (-4*(1 + 2h + h^2) + 6*(1 + h)) - (-4 + 6)}}}
{{{f(1+h)-f(1) = (-4 - 8h - 4h^2 + 6 + 6h) - (2)}}}
{{{f(1+h)-f(1) = 2 - 2h - 4h^2 - 2}}}
{{{f(1+h)-f(1) = -2h - 4h^2}}}