Question 439578
{{{y^2-16 / y^2-8y+6}}}

{{{y^2-4^2 / y^2-8y+6}}}..........{{{y^2-8y+6}}} complete the square 



*[invoke complete_square "x", 1, -8, 6]


use:{{{(y -8/2)^2-10}}}


{{{((y-4)(y+4)) / ((y -8)/2)^2-10)}}}


{{{((y-4)(y+4)) / ((2y -8)/2)^2-10)}}}


{{{((y-4)(y+4)) / (((2y -8)(2y -8))-10)}}}


{{{((y-4)(y+4)) / ((2(y -4)(2y -8))-10)}}}


{{{(cross((y-4))(y+4)) / ((2cross((y -4))(2y -8))-10)}}}


{{{(y+4) / (2(2y -8)-10)}}}


{{{(y+4) / (4y -16-10)}}}


{{{(y+4) / (4y -26)}}}


{{{(y+4) / 2(2y -13)}}}