The equation $2y-6y^2=0$2y−6y2=0 has two solutions. Solve for both values of $y$y, writing your answers on the same line separated by a comma.
Consider the equation $2x^2-7=0$2x2−7=0.
Solve $x^2+6x-55=0$x2+6x−55=0 for $x$x.
Solve for the unknown, leaving your answer in exact form.
$8-7m-m^2=-2m^2+m+2$8−7m−m2=−2m2+m+2