document.write( "Question 886858: I need serious help. The question is solve each equation and check for extraneous solutions. What is that.\r
\n" ); document.write( "\n" ); document.write( "-7√17x-4 =-63 ***also the square root contines to the 4 so for 17x -4\r
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Algebra.Com's Answer #536204 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
First we solve for x\r
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\n" ); document.write( "\n" ); document.write( "\"-7%2Asqrt%2817x-4%29=-63\"\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%2817x-4%29=-63%2F%28-7%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%2817x-4%29=9\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28sqrt%2817x-4%29%29%5E2=9%5E2\" Square both sides\r
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\n" ); document.write( "\n" ); document.write( "\"17x-4=81\"\r
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\n" ); document.write( "\n" ); document.write( "\"17x=81%2B4\"\r
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\n" ); document.write( "\n" ); document.write( "\"17x=85\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=85%2F17\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=5\"\r
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\n" ); document.write( "\n" ); document.write( "Check:\r
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\n" ); document.write( "\n" ); document.write( "\"-7%2Asqrt%2817x-4%29=-63\"\r
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\n" ); document.write( "\n" ); document.write( "\"-7%2Asqrt%2817%2A5-4%29=-63\"\r
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\n" ); document.write( "\n" ); document.write( "\"-7%2Asqrt%2885-4%29=-63\"\r
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\n" ); document.write( "\n" ); document.write( "\"-7%2Asqrt%2881%29=-63\"\r
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\n" ); document.write( "\n" ); document.write( "\"-7%2A9=-63\"\r
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\n" ); document.write( "\n" ); document.write( "\"-63=-63\" This equation is true. So the answer is verified.
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