document.write( "Question 311346: add or subtract as indicated:
\n" ); document.write( "(7r³ + rs - 5r² ) - (2r³ - 3rs + r²)
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Algebra.Com's Answer #222680 by fractalier(6550)\"\" \"About 
You can put this solution on YOUR website!
Do it term by term...combining like terms...
\n" ); document.write( "(7r³ + rs - 5r² ) - (2r³ - 3rs + r²) =
\n" ); document.write( "(7r³ - 2r³) + (rs - (-3rs)) + (-5r² - r²)=
\n" ); document.write( "5r³ + 4rs - 6r²
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