document.write( "Question 839491: Could you please help me solve the following problem: \r
\n" ); document.write( "\n" ); document.write( "Factor completely. Remember to check for common factors first. Some questions will require two types of factoring. \r
\n" ); document.write( "\n" ); document.write( "a^2 + b^2\r
\n" ); document.write( "\n" ); document.write( "thank you!
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Algebra.Com's Answer #505743 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
The SUM of squares? ------ SUM?\r
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\n" ); document.write( "\n" ); document.write( "\"highlight_green%28i%2Ai=-1%29\".\r
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\n" ); document.write( "\n" ); document.write( "\"a%5E2%2Bb%5E2=a%5E2-%28-1%29b%5E2\"
\n" ); document.write( "Right Hand Side Steps:
\n" ); document.write( "\"a%5E2-%28i%2Ai%29b%5E2\"
\n" ); document.write( "\"a%5E2-i%2Ai%2Ab%2Aba%5E2\"
\n" ); document.write( "\"a%5E2-bibi\"
\n" ); document.write( "\"a%5E2-%28bi%29%5E2\" ------The difference of two squares.
\n" ); document.write( "\"highlight%28%28a-bi%29%28a%2Bbi%29%29\"
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