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if (algselection==4)
{
cout << "\n+Quadratic Equation Solution+\n"
<< " Enter the Coefficient on x^2 \n"
<< " ";
double avalue, bvalue, cvalue, b2, ac4, b2ac4, b2ac4topos, bover2a, b2ac4over2a, negbplus, negbminus, sqrb2ac4, twoa, plusover2a, minusover2a;
cin >> avalue;
cout << " Enter the Coefficient on x \n"
<< " ";
cin >> bvalue;
cout << " Enter the Third Term \n"
<< " ";
cin >> cvalue;
ac4 = avalue * cvalue * 4;
b2 = pow(bvalue, 2);
b2ac4 = b2  ac4;
if(b2ac4 >= 0)
{
sqrb2ac4 = sqrt(b2ac4);
negbplus = bvalue + sqrb2ac4;
negbminus = bvalue  sqrb2ac4;
twoa = 2 * avalue;
plusover2a = negbplus / twoa;
minusover2a = negbminus / twoa;
cout << " The Values of X are \n"
<< " " << setprecision(4) << plusover2a
<< "\n " << setprecision(4) << minusover2a
<< "\n++" << endl;
}
if(b2ac4 < 0)
{
b2ac4topos = b2ac4 * 1;
sqrb2ac4 = sqrt(b2ac4topos);
twoa = 2 * avalue;
bover2a = bvalue / twoa;
b2ac4over2a = sqrb2ac4 / twoa;
cout << " The Values of X are \n " << setprecision(4) << bover2a
<< " +/ " << setprecision(4) << b2ac4over2a << "i\n"
<< "++" << endl;
}
 