adding
9x-4x
5x
3(2xy)
6xy
band
the avett brothers
(x)(x)
x2
between 1 and 10
7
-7+3
-4
6x(2y)
12xy
colour
red
3x(x3)
3x4
between 1 and 20
13
-5 - 4
-9
4x3(2x4)
8x7
element
carbon
5x3(2x3)
10x6
between -10 and +10
0
-3x-5x
-8x
8xy(3x2)
24x3y
food
perogees
3xy4(x2y2)
3x3y6
between 1 and 100
99
x + 5 + 1
x+6
5x(4x)
20x2
person
his daughter
(2x2y3)2
between 4 and 6
5