document.write( "Question 141330: I need help solving Radical Equations, because i dont really understand it yet.
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Algebra.Com's Answer #102968 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
I need help solving Radical Equations, because i dont really understand it yet.
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\n" ); document.write( "\n" ); document.write( " \"sqrt%285x%29-2=+3\"
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document.write( "Isolate the radical on the left by adding 2 to both sides\r\n" );
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document.write( "          \"sqrt%285x%29-2%2B2=+3%2B2\"\r\n" );
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document.write( "          \"sqrt%285x%29=+5\"\r\n" );
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document.write( "Now square both sides of the equation:\r\n" );
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document.write( "          \"%28sqrt%285x%29%29%5E2=+%285%29%5E2\"\r\n" );
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document.write( "When you square a square root, you take away the radical:\r\n" );
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document.write( "          \"5x=+25\"\r\n" );
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document.write( "Divide both sides by 5:\r\n" );
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document.write( "          \"%285x%29%2F5=25%2F5\"\r\n" );
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document.write( "          \"x+=+5\"\r\n" );
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document.write( "But you MUST check square root equations because sometimes\r\n" );
document.write( "an answer you get won't check in the original equation:\r\n" );
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document.write( "          \"sqrt%285x%29-2=+3\"\r\n" );
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document.write( "Substitute \"5\" for \"x\"\r\n" );
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document.write( "          \"sqrt%285%285%29%29-2=+3\"\r\n" );
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document.write( "          \"sqrt%2825%29-2=+3\"\r\n" );
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document.write( "          \"5-2=+3\"\r\n" );
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document.write( "          \"3=+3\"\r\n" );
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document.write( "So the solution \"x=5\" checks.\r\n" );
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document.write( "Edwin
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