/* For example, if you wanna take out the quadratic equation of x²+7x+12 then you need to follow this INPUT FORMAT:- 1 7 12 ←Giving a space after each (Submit ✓) But if the number in the equation will have any negetive number then, -1 -7 -12 ←Giving a space after each (Submit ✓) (OR) 1 -4 4 ←Like this SPECIALITY OF THE CODE : The formula, n = -b ± √4ac /2a, which is the formula of Quadratic equation, is not used. ____________________________________________*/ import java.util.*; class Quadratic{ public static void main(String args[]){ int x,y,dav=0,k=0,l=0; int a=0,b=0,c=0,d,e=0,f=0,g=0,h=0; String t[]=new Scanner(System.in).nextLine().split("\\ "); a=new Integer(t[0]); b=new Integer(t[1]); c=new Integer(t[2]); System.out.print(a+"x*x + "+b+"x + "+c+" = 0\n"); d=a*c; if(d<0){ for(x=d;x<=-1;x++){ if(d%x==0){ e=x; f=-(d/e); if(f+e==b){g=e;h=f;dav=1;} if(f-e==b){g=-e;h=f;dav=1;} if(-f+e==b){g=e;h=-f;dav=1;} if(-f-e==b){g=-e;h=-f;dav=1;} } } }else{ for(y=1;y<=d;y++){ if(d%y==0){ e=y; f=d/e; if(f<0&&e<0){ if(f+e==b){g=-e;h=-f;dav=1;}} if(f>0&&e>0){ if(f+e==b){g=e;h=f;dav=1;} if(f-e==b){g=-e;h=f;dav=1;} if(-f-e==b){g=-e;h=-f;dav=1;} if(-f+e==b){g=-f;h=e;dav=1;}} if(f<0&&e>0){ if(f+e==b){g=e;h=-f;dav=1;}} if(f>0&&e<0){ if(f+e==b){g=-e;h=f;dav=1;}} } } } if(dav==1){ System.out.print(a+"x*x + "+g+"x + "+h+"x + "+c+" = 0"); if((a/g>0||a/g<0)&&a%g==0){k=a/g;} if((g/a>0||g/a<0)&&g%a==0){k=g/a;} if((h/c>0||h/c<0)&&h%c==0){l=h/c;} if((c/h>0||c/h<0)&&c%h==0){l=c/h;} if(k!=0&&l!=0&&k==l){ System.out.print("\n"+a+"x(x + "+k+") + "+h+"(x + "+l+") = 0"); System.out.print("\n"+a+"x + "+h+" = 0\t\t\t|\t\t\tx + "+k+" = 0"); if((a%h==0||h%a==0)&&(a==1||a==-1)){ if(a>0&&h>0&&a==1){System.out.print("\nx = "+(-h)+"/"+a+"\t\t\t\t|"); if(a==1){System.out.print("\nx = "+(-h)+"\t\t\t\t\t\t|");}} if((h<0)&&(a>0)&&(a==1)){System.out.print("\nx = "+(-h)+"/"+a+"\t\t\t\t|"); if(a==1){System.out.print("\nx = "+(-h)+"\t\t\t\t\t\t|");}} if((h>0)&&(a<0)&&(a==-1)){System.out.print("\nx = "+(-h)+"/"+(-a)+"\t\t\t\t|");if(a==-1){System.out.print("\nx = "+(-h)+"\t\t\t\t\t\t|");}} if((h<0)&&(a<0)&&(a==-1)){System.out.print("\nx = "+(-h)+"/"+(-a)+"\t\t\t\t\t|"); if(a==-1){System.out.print("\nx = "+(-h)+"\t\t\t\t\t\t|");}}} if((a%h==0||h%a==0)&&(a>1||a<=-2)){ if(a>0&&h>0){System.out.print("\nx = "+(-h)+"/"+(-a)+"\t\t\t\t|");} if(h<0&&a>0){System.out.print("\nx = "+(-h)+"/"+(-a)+"\t\t\t\t|");} if(h>0&&a<0){System.out.print("\nx = "+(-h)+"/"+(-a)+"\t\t\t\t|");} if(h<0&&a<0){System.out.print("\nx = "+(-h)+"/"+(-a)+"\t\t\t\t\t|");} if(a<0&&h<0){System.out.print("\nx = "+(-h)+"/"+(-a)+"\t\t\t\t\t\t|");}} if((a%h!=0||h%a!=0)&&(h==1||h==-1)&&(a>1||a<=-2)){ if(a>0&&h>0){System.out.print("\nx = "+(-h)+"/"+(-a)+"\t\t\t\t|");} if(h<0&&a>0){System.out.print("\nx = "+(-h)+"/"+(-a)+"\t\t\t\t|");} if(h>0&&a<0){System.out.print("\nx = "+(-h)+"/"+(-a)+"\t\t\t\t|");} if(h<0&&a<0){System.out.print("\nx = "+(-h)+"/"+(-a)+"\t\t\t\t\t|");} if(a<0&&h<0){System.out.print("\nx = "+(-h)+"/"+(-a)+"\t\t\t\t\t\t|");}} if((a%h!=0||h%a!=0)&&(h>1||h<-1)&&(a>1||a<=-2)){ if(a>0&&h>0){System.out.print("\nx = "+(-h)+"/"+(-a)+"\t\t\t\t|");} if(h<0&&a>0){System.out.print("\nx = "+(-h)+"/"+(-a)+"\t\t\t\t|");} if(h>0&&a<0){System.out.print("\nx = "+(-h)+"/"+(-a)+"\t\t\t\t|");} if(h<0&&a<0){System.out.print("\nx = "+(-h)+"/"+(-a)+"\t\t\t\t\t|");} if(a<0&&h<0){System.out.print("\nx = "+(-h)+"\t\t\t\t\t\t|");}} if(k>0&&l>0){System.out.print("\t\t\t\tx = "+(-k));}else{System.out.print("\t\t\t\tx = "+(-k));} } else{System.out.print("\nSorry i didn\'t find the common factor of "+a+" and "+h+" or maybe signs (+ve and -ve) didn\'t match...");}} else{ System.out.print("CAN\'T SOLVE THE EQUATION");} } }

Quadratic Equation Solver