c.s << "(";
if (!overall_coeff.is_equal(_ex1)) {
- overall_coeff.print(c, precedence());
- c.s << "*";
+ if (overall_coeff.is_equal(_ex_1))
+ c.s << "-";
+ else {
+ overall_coeff.print(c, precedence());
+ c.s << "*";
+ }
}
// Print arguments, separated by "*" or "/"