Online PHP editor | refs for aRhVo

@ 2015-11-23T08:24:38Z

<?php

header/("content-type:text/html;chartset=utf-8");

$a=2;
$b=5;
$c=3;

$D=$b*$b - 4*$a*$c;

if ($D>0){
$x1= (-$b + sqrt($D)) / 2*$a;
$x2= (-$b - sqrt($D)) / 2*$a;

echo $x1;
echo $x2;
}

else if ($D==0){
$x1 = $x2 = -$b / 2*$a;

echo $x1;
echo $x2;
}