Question 868185
{{{4x^2 - 3x + 1=4(1/2)^2 - 3(1/2) + 1}}}
{{{4x^2 - 3x + 1=4(1/4) - (3/2) + 1}}}
{{{4x^2 - 3x + 1=1 - (3/2) + 1}}}
{{{4x^2 - 3x + 1=1/2}}}