Question: how to solve quadratic equation in php?
Answer: <? php.
$t;$b=2;$a=3;$c=4;$x;$y;
$t=(pow($b,2))-(4*$a*$c);
if($t<=0)
$t=(-1)*$t;
$x=(-2*$c)/($b+(sqrt($t)));
$y=(-2*$c)/($b-(sqrt($t)));
echo sprintf("Solution in Addition = %f \n Solution in Subtraction = %f" ,$x,$y);