Combine:
4x2+5y-3x2
x2+5y
8x2+10x
2x(4x+5)
(8x-3)+2(3x+1)
14x-1
twice the quotient of 7 and a number
2(7/x)
3(x+6y-7)
3x+18y-21
2x+5+(6x+1)
8x+6
100z9+50z6-75z5
25z5(4z4+2z-3)
(b-7)+(3b-9)
4b-16
half of what Alex made working plus the amount of money Jeff made
1/2a+j
-7(2x-4)
-14+28
-9x+7-x+5x-4y
-5x+7-4y
2c5d4-3c4+4c3
c3(c2d4-3c+4c2)
(-6x-11)+(5x+12)
-x+1
7 bags of halloween candy split evenly among 3 kids
7b/x+y+x
4(3x+7)-5x
7x+28
4h-3(2h+5)
-2h+15
18x5-48x4+56x3-86x
2x(9x4-243+28x2-43)
-2(-4x+5)+6x
14x+(-10)
seven more than 9 less than a number
7+(x-9)
-2(-4x+5)+3x
11x+(-10)
-8y+4(3y+3)-5
4y+7
23y10-46y7+68y2+10y
y(23y9-46y6+68y+10)
2x+5+6(x+1)
8x+11
Alex has eighteen apples less than Jeff
j-18=a
(14x-7+8)-(-9x+15+8x)
15x-14