|-10|\2
30/|-6|
|-5|x5
2(45-26+3333/11)
xsquare- underroot5
9y−{6x−7y−z+5(x+y)}
(3a^2b+3ab^2+b^3)
(2+5X)-1+(2+5X)-2+(2+5X)-3+...........
28 divided 4
find the gcf of 6 and 9