[C] a quadratic equation language (realistic imaginary roots and root)

Seeking a quadratic equation: ax2 + bx + c = 0 the roots. 
Input three real numbers a, b, c values, and a is not equal to zero.

#include <stdio.h> 
#include <math.h>
 int main () 
{ 
    the printf ( " Please enter the A, B, C \ n- " );
     a float A, B, C, T, P, Q, X1, X2 ; 
    scanf_s ( " % F% F% F " , & a, & B, & C);
     IF (a == 0 ) 
        the printf ( " not a quadratic equation " );
     the else 
    { 
        T = B * B - . 4 * a * C;
         IF (T>= 0 ) 
        { 
            / * realistic Root * / 
            X1= (-B + sqrt (T)) / ( 2 * A); 
            X2 = (-b - sqrt (T)) / ( 2 * A); 
            the printf ( " There is a real roots \ n- " ); 
            the printf ( " % F = X1 \ = NX2 F% \ n- " , X1, X2); 
        } 
        the else 
        { 
            P = (-b) / ( 2 * A); / * real part * / 
            Q = sqrt (-t) / ( 2 A *); / * find the imaginary part * / 
            the printf ( " there is virtual roots \ n- " ); 
            the printf ( "%f+%f i\n", p, q);
            printf("%f-%f i\n", p, q);


        }
    }
}