document.write( "Question 729388: Can someone please show me step by step to solve x^2-9 when factoring to find the sum and difference? \n" ); document.write( "
Algebra.Com's Answer #445843 by lenny460(1073)\"\" \"About 
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Can someone please show me step by step to solve x^2-9 when factoring to find the sum and difference ?\r
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\n" ); document.write( "\n" ); document.write( "Factor:\r
\n" ); document.write( "\n" ); document.write( "x^2 - 9\r
\n" ); document.write( "\n" ); document.write( "Use the difference of squares formula:\r
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\n" ); document.write( "\n" ); document.write( "(x - 3)(x + 3)\r
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\n" ); document.write( "\n" ); document.write( "Lennox Obuong
\n" ); document.write( "Algebra Tutor
\n" ); document.write( "Nairobi, Kenya
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