square of a binomial cube of a binomial square of a multinomial (a+b) (a^2-ab+b^2) (a-b) (a^2+ab+b^2) I don't know the name of the last two equations :)
Bulgar is a common name for cracked wheat. It is commonly used in middle eastern cooking. For example, tabbouleh is a salad made out of bulgar and parsley, among other things.