document.write( "Question 176651This question is from textbook Elementary and Intermediate Algebra
\n" ); document.write( ": I cannot solve the following, please help and show step by step if possible, thank you\r
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Algebra.Com's Answer #131718 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"sqrt%287x%2B29%29=x%2B3\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"7x%2B29=%28x%2B3%29%5E2\" Square both sides\r
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\n" ); document.write( "\n" ); document.write( "\"7x%2B29=x%5E2%2B6x%2B9\" FOIL\r
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\n" ); document.write( "\n" ); document.write( "\"0=x%5E2%2B6x%2B9-7x-29\" Subtract 7x from both sides. Subtract 29 from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"0=x%5E2-x-20\" Combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "\"0=%28x-5%29%28x%2B4%29\" Factor the right side\r
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\n" ); document.write( "\n" ); document.write( "Now set each factor equal to zero:\r
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\n" ); document.write( "\n" ); document.write( "\"x-5=0\" or \"x%2B4=0\" \r
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\n" ); document.write( "\n" ); document.write( "\"x=5\" or \"x=-4\" Now solve for x in each case\r
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\n" ); document.write( "\n" ); document.write( "So the possible answers are \"x=5\" or \"x=-4\"\r
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\n" ); document.write( "\n" ); document.write( "However, if you plug in \"x=-4\", you'll find that the original equation will not be true. So \"x=-4\" is NOT a solution\r
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\n" ); document.write( "\n" ); document.write( "Answer:\r
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\n" ); document.write( "\n" ); document.write( "So the only solution is \"x=5\"
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