3n + 3(6 + 7n)
= 3n + 18 + 21n
= 24n + 18
(3x)3 = 27x3 (We think the original form was simpler.)
parenthesis = singular form, i.e., ( OR ) parentheses = plural form, i.e., ( AND ) The singular forms are generally referred to as: open or left parenthesis = ( close or right parenthesis = ) As for the top or bottom half of one parenthesis? I have no idea.
The plural form of parenthesis is parentheses.
-17/21 is already in its simplest form
The plural form for the noun parenthesis is parentheses.
The plural of parenthesis is parentheses
3/-5 is in its simplest form.
4/-5 is in its simplest form.
-3/2 is in its simplest form.
-32/21
Distribution.
The singular form of 'parentheses' is 'parenthesis'.