Title	Solving Quadratic Equations using Factorisation:( Shows SOLUTION )
Author:	Sanchit Karve Visitor Submitted Source Code
Author Email:	born2c0de@hotmail.com
Description:	Prints the Solution of a Quadratic Equation on Screen as you would solve it using Factorisation. Each and every step is shown as it is solved on paper.
Hits:	3679 Since 25th November, 2003
Code:	Select and Copy the Code #include <stdlib.h> #include <iostream.h> #include <math.h> #include <conio.h> void main() { cout<<"\tQuadratic Equation Calculator"<<endl<<"\tby Sanchit Karve"<<endl<<endl; float a,b,c,x,y; cout<<"\tEquation must be in the form of ax²+bx+c=0"<<endl<<endl; cout<<"\t\tPlease enter the value of a: "; cin>>a; cout<<"\t\tPlease enter the value of b: "; cin>>b; cout<<"\t\tPlease enter the value of c: "; cin>>c; x=((-b+sqrt((b*b)-(4.0*a*c)))/(2.0*a)); y=((-b-sqrt((b*b)-(4*a*c)))/(2*a)); clrscr(); cout<<"HERE IS THE SOLUTION USING FACTORISATION\n\n\n"; cout.setf(ios::showpos); float mul=(x*-1)*(y*-1); cout<<"\t\tx²"<<(y*-1)+(x*-1)<<"x"<<mul<<"=0\n"; cout<<"\t\tx²"<<y*-1<<"x"<<x*-1<<"x"<<(x*-1)*(y*-1)<<"=0\n"; // x²+2x-1x-2=0 cout<<"\t\tx(x"<<y*-1<<")"<<x*-1<<"(x"<<y*-1<<")=0\n"; // x(x+2)-1(x+2) cout<<"\t\t(x"<<x*-1<<")(x"<<y*-1<<")=0\n\n"; // (x-1) (x+2)=0 cout.unsetf(ios::showpos); cout<<"\t\tx="<<x<<" & x="<<y<<"\n"; cout<<"\n\n\n\tSanchit Karve\n\tborn2c0de@hotmail.com"; exit(EXIT_SUCCESS); }