document.write( "Question 1188232: If r - (15 square root of r) + 50 = 0. Find the value of the cube root of (r + 2)
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Algebra.Com's Answer #819257 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
If r - (15 square root of r) + 50 = 0. Find the value of the cube root of (r + 2)
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document.write( "If \"r+-+15sqrt%28r%29+%2B+50+=+0\". Find the value of \"root%283%2C%28r++%2B+2%29%29\", assuming \"r%3C%3E100\".\r\n" );
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document.write( "\"r+-+15sqrt%28r%29+%2B+50\"\"%22%22=%22%22\"\"0\"\r\n" );
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document.write( "Let \"z\"\"%22%22=%22%22\"\"sqrt%28r%29\", then \"z%5E2\"\"%22%22=%22%22\"\"r\"\r\n" );
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document.write( "\"z%5E2+-+15z+%2B+50\"\"%22%22=%22%22\"\"0\"\r\n" );
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document.write( "\"z%5E2+-+15z+%2B+50\"\"%22%22=%22%22\"\"0\"\r\n" );
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document.write( "\"%28z-5%29%28z-10%29\"\"%22%22=%22%22\"\"0\"\r\n" );
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document.write( "z-5 = 0;  z-10 = 0\r\n" );
document.write( "  z = 5;     z = 10\r\n" );
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document.write( "\"z%5E2\"\"%22%22=%22%22\"\"r\"},  \"z%5E2\"\"%22%22=%22%22\"\"r\" \r\n" );
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document.write( "\"5%5E2\"\"%22%22=%22%22\"\"r\",   \"10%5E2\"\"%22%22=%22%22\"\"r\" \r\n" );
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document.write( "\"25\"\"%22%22=%22%22\"\"r\",   \"100\"\"%22%22=%22%22\"\"r\"\r\n" );
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document.write( "Ignoring 100, r = 25.\r\n" );
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document.write( "\"root%283%2Cr++%2B+2%29\"\r\n" );
document.write( "\"root%283%2C25++%2B+2%29\"\r\n" );
document.write( "\"root%283%2C27%29\"\r\n" );
document.write( "\"3\"\r\n" );
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document.write( "Edwin
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