0.4x+2 |
0.5x-1 |
0.4x+2 |
0.5x-1 |
10(0.4x+2) |
10(0.5x-1) |
4x+20 |
5x-10 |
4x+20 |
5x-10 |
3a |
5xy |
() |
10axy |
6a3b2 |
8b3 |
3a3 |
() |
a+2 |
a2-4 |
1 |
() |
b+1 |
a+c |
() |
an+cn |
8a2c |
12a2b |
2c |
() |
2x |
x+3 |
() |
x2+3x |
x2-y2 |
(x+y)2 |
x-y |
() |
-x3y |
3ab2 |
-5a |
-13x2 |
-a3 |
-17b2 |
x2+6x+9 |
x2-9 |
m2-3m+2 |
m2-m |
8m2n |
2mn2 |
5ab |
20a2b |
2(x-y)3 |
y-x |
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