Examples

2x+12x+1 , 3x+93x+9
Step 1
Add the expressions.
2x+1+3x+92x+1+3x+9
Step 2
Add 2x2x and 3x3x.
5x+1+95x+1+9
Step 3
Add 11 and 99.
5x+105x+10
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 [x2  12  π  xdx ]  x2  12  π  xdx  
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