document.write( "Question 118303: How do you add ad sutract the polynomials 2a^2+3ab-5b^2 and b^2-ab? \n" ); document.write( "
Algebra.Com's Answer #86411 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
First let's add them\r
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\n" ); document.write( "\n" ); document.write( "\"%282a%5E2%2B3ab-5b%5E2%29%2B%28b%5E2-ab%29\" Start with the given expression\r
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\n" ); document.write( "\n" ); document.write( "\"%282a%5E2%29%2B%283ab-ab%29%2B%28-5b%5E2%2Bb%5E2%29\" Group like terms\r
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\n" ); document.write( "\n" ); document.write( "\"2a%5E2%2B2ab-4b%5E2\" Combine like terms\r
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\r
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\n" ); document.write( "\n" ); document.write( "Now let's subtract them\r
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\n" ); document.write( "\n" ); document.write( "\"%282a%5E2%2B3ab-5b%5E2%29-%28b%5E2-ab%29\" Start with the given expression\r
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\n" ); document.write( "\n" ); document.write( "\"2a%5E2%2B3ab-5b%5E2-b%5E2%2Bab\" Distribute the negative\r
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\n" ); document.write( "\n" ); document.write( "\"%282a%5E2%29%2B%283ab%2Bab%29%2B%28-5b%5E2-b%5E2%29\" Group like terms\r
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\n" ); document.write( "\n" ); document.write( "\"2a%5E2%2B4ab-6b%5E2\" Combine like terms
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