// Ejemplo6.java
import java.text.*;
import java.io.*;
class Ejemplo6 {
	public static void main(String[] args) throws IOException {
		BufferedReader in=new BufferedReader(new InputStreamReader(System.in));
		System.out.println("Valor mínimo de x= ");
		double x1=Text.readDouble(in);
		System.out.println("Valor maximo de x= ");
		double x2=Text.readDouble(in);
		System.out.println("Incremento de la x= ");
		double incre=Text.readDouble(in);
		for(double x=x1;x<=x2;x=x+incre)
			System.out.println("x= "+x+"\ty= "+(3*x*x-5*x+1)+"\n");
	}
}