-3x+6
The second helper set the expression equal to zero for much the same reason as the first helper asked you to reply with the complete exercise: as posted, your question makes no sense. There is no "equals" sign in it, so there's no equation, and thus there's nothing to solve. But people often refer to "solving" an expression when they mean "finding the zeroes of" that expression.why do you set -3x+6 =0....