Solve for $x$x:

$x^2-5=31$x2−5=31

Write all solutions on the same line, separated by commas.

Consider the equation $y=\left(3x+5\right)\left(x-5\right)$y=(3x+5)(x−5).

Solve $x^2=2.39$x2=2.39

Solve $3y-15y^2=0$3y−15y2=0