RESOLUTION DEQUATION DU PREMIER ET SECOND ORDRE!!

#include <iostream.h>
#include <math.h>



void degre2(){
	float a,b,c,delta;
	
	cout<<"Veuillez saisir les coefficient de votre equation"<<endl;
    
	cin>>a;
	cin>>b;
	cin>>c;
	
	cout<<"Donc votre equation s'ecrit"<<endl;
	cout<<a<<"x^2 + ("<<b<<")x + ("<<c<<")"<<endl;
    
	delta=b*b-(4*a*c);
	
	if(delta<0){
		
		
		cout<<"Les solutions de l'equation seront complexes"<<endl;
		cout<<-b<<" + i*"<<sqrt(-delta);
		cout<<"/";
		cout<<2*a<<endl;

        cout<<-b<<" - i*"<<sqrt(-delta);
		cout<<"/";
		cout<<2*a<<endl;
	
	}
	if(delta>0){

		cout<<"Les solution de l'equation seront reels"<<endl;
		cout<<-b<<" + "<<sqrt(delta);
		cout<<"/";
		cout<<2*a<<endl;


        cout<<-b<<" - "<<sqrt(delta);
		cout<<"/";
		cout<<2*a<<endl;
	
	}
	if(delta==0){
		cout<<"La solution unique est"<<endl;
		cout<<-b;
		cout<<"/";
		cout<<2*a<<endl;
	}
}


void degre1(){
	double e,f;
	cout<<"Veuillez saisir les coefficient de votre equation"<<endl;
	cin>>e;
	cin>>f;
	cout<<"Donc votre equation s'ecrit"<<endl;
	cout<<e<<"x + "<<f<<endl;
	cout<<"Et la solution de votre equation est "<<endl;
	cout<<-f;
	cout<<"/";
	cout<<e<<endl;
}



void main (){
int d;
cout<<"Quelle est le degre de l'equation?"<<endl;
cin>>d;
if(d==1){
	degre1();
}
if(d==2){
	degre2();
}	
}