Solve the following quadratic equation:
$\displaystyle (x^2-4x)^2 -26(x^2-4x)+105=0$
It *should* be solved using new variable, but I can't figure it out for x^3.
Solve the following quadratic equation:
$\displaystyle (x^2-4x)^2 -26(x^2-4x)+105=0$
It *should* be solved using new variable, but I can't figure it out for x^3.