Math!!!
posted by Amber .
Simplify the following including like terms
13rs(squared)r+42s(squared)+6s(squared)8rs(squared)3r

Math!!! 
Reiny
write it as
13rs^2  r + 42s^2 + 6s^2  8rs^2  3r
= 5rs^2 + 48s^2  4r
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