document.write( "Question 199580: b^2-9/b^3-27
\n" ); document.write( "i know i have to use the cube root but i stilll dont get how this problem is sloved.. can you please explain this (:
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Algebra.Com's Answer #149988 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "\"%28b%5E2-9%29%2F%28b%5E3-27%29\" Start with the given expression.\r
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\n" ); document.write( "\n" ); document.write( "\"%28%28b-3%29%2A%28b%2B3%29%29%2F%28b%5E3-27%29\" Factor \"b%5E2-9\" to get \"%28b-3%29%28b%2B3%29\" (use the difference of squares formula)\r
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\n" ); document.write( "\n" ); document.write( "\"%28%28b-3%29%2A%28b%2B3%29%29%2F%28%28b-3%29%2A%28b%5E2%2B3%2Ab%2B9%29%29\" Factor \"b%5E3-27\" to get \"%28b-3%29%28b%5E2%2B3b%2B9%29\" (use the difference of cubes formula)\r
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\n" ); document.write( "\n" ); document.write( " Highlight the common terms. \r
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\n" ); document.write( "\n" ); document.write( "\"%28cross%28%28b-3%29%29%28b%2B3%29%29%2F%28cross%28%28b-3%29%29%28b%5E2%2B3b%2B9%29%29\" Cancel out the common terms. \r
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\n" ); document.write( "\n" ); document.write( "\"%28b%2B3%29%2F%28b%5E2%2B3b%2B9%29\" Simplify. \r
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\n" ); document.write( "\n" ); document.write( "So \"%28b%5E2-9%29%2F%28b%5E3-27%29\" simplifies to \"%28b%2B3%29%2F%28b%5E2%2B3b%2B9%29\".\r
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\n" ); document.write( "\n" ); document.write( "In other words, \"%28b%5E2-9%29%2F%28b%5E3-27%29=%28b%2B3%29%2F%28b%5E2%2B3b%2B9%29\" where \"b%3C%3E3\"
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