#load(quadratic)
new:x = 1;
//1~50
$x^2 + 7*x == 8;
x-->"#FILE(SCREEN)";
6*$x^2 - x == 3;
x-->"#FILE(SCREEN)";
$x^2 - 2*x + 2 == 0;
x-->"#FILE(SCREEN)";
$x^2 == 2 + 4*x;
x-->"#FILE(SCREEN)";
$x*(x - 6) == 9;
x-->"#FILE(SCREEN)";
8*$x^2 == 5 - 2*x;
x-->"#FILE(SCREEN)";
4*$x^2 + 3 == 5*x;
x-->"#FILE(SCREEN)";
$x^2 == 6 - x;
x-->"#FILE(SCREEN)";
($x - 4)*(x + 1) == 0;
x-->"#FILE(SCREEN)";
5 == 3*x + $x^2;
x-->"#FILE(SCREEN)";
($x + 6)^2 == 4*x;
x-->"#FILE(SCREEN)";
4*$x^2 == (x - 5)^2;
x-->"#FILE(SCREEN)";
$x + 2*x^2 == 3 + x;
x-->"#FILE(SCREEN)";
3*$x^2 - x == 4;
x-->"#FILE(SCREEN)";
$x == 5 + x^2;
x-->"#FILE(SCREEN)";
$x^2 + 4 == 2*x + 7;
x-->"#FILE(SCREEN)";
$x*(x + 6) == 2;
x-->"#FILE(SCREEN)";
2*$x^2 - 2*x == 4;
x-->"#FILE(SCREEN)";
$x^2 - 4*x - 5 == 0;
x-->"#FILE(SCREEN)";
$x*(x + 7) == 3;
x-->"#FILE(SCREEN)";
5*$x^2 == 2*x - 6;
x-->"#FILE(SCREEN)";
$x^2 + 3*x == 4 + x;
x-->"#FILE(SCREEN)";
4*$x^2 - x == 5;
x-->"#FILE(SCREEN)";
($x + 3)^2 == x - 2; 
x-->"#FILE(SCREEN)";
$x == (x + 6)^2;
x-->"#FILE(SCREEN)";
5*$x^2 + 4 == 6*x; 
x-->"#FILE(SCREEN)";
($x + 7)^2 == 5*x^2;
x-->"#FILE(SCREEN)";
$x^2 == 7 - 2*x;
x-->"#FILE(SCREEN)";
$x*(x - 7) == 10;
x-->"#FILE(SCREEN)";
9*$x^2 - x == 7;
x-->"#FILE(SCREEN)";
$x^2 == 2*(5*x - 3);
x-->"#FILE(SCREEN)";
($x - 5)*(x + 2) == 0;
x-->"#FILE(SCREEN)";
6 == $x^2 + 4*x;
x-->"#FILE(SCREEN)";
$x^2 + 5 == 3*x + 8;
x-->"#FILE(SCREEN)";
3*$x^2 - 2*x == 5;
x-->"#FILE(SCREEN)";
$x^2 - 5*x - 6 == 0;
x-->"#FILE(SCREEN)";
$x^2 + 8*x == 9;
x-->"#FILE(SCREEN)";
7*$x^2 - 2*x == 6;
x-->"#FILE(SCREEN)";
$x^2 - x + 3 == 0;
x-->"#FILE(SCREEN)";
4*$x^2 - 2*x == 6;
x-->"#FILE(SCREEN)";
$x^2 - 6*x - 7 == 0;
x-->"#FILE(SCREEN)";
$x^2 + 9*x == 10;
x-->"#FILE(SCREEN)";
8*$x^2 - 3*x == 7;
x-->"#FILE(SCREEN)";
$x^2 - 4*x + 4 == 8;
x-->"#FILE(SCREEN)";
6*$x^2 + 5 == 7*x;
x-->"#FILE(SCREEN)";
$x^2 == 8 - 3*x;
x-->"#FILE(SCREEN)";
(6*$x - 3)*(4*x - 2) == 0; 
x-->"#FILE(SCREEN)";
$x^2 - 5 == 6*x - 4;
x-->"#FILE(SCREEN)";
$x*(x - 8) == 11*x;
x-->"#FILE(SCREEN)";
10*$x^2 - 2*x == 8;
x-->"#FILE(SCREEN)";