document.write( "Question 173505: log(x^2-936)=3 \n" ); document.write( "
Algebra.Com's Answer #128369 by solver91311(24713)\"\" \"About 
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Definition of logs:\r
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\n" ); document.write( "\n" ); document.write( "\"y=log%28b%2C%28x%29%29\" if and only if \"b%5Ey=x\".\r
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\n" ); document.write( "\n" ); document.write( "Since you wrote log and did not specify a base, base = 10 is understood.\r
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\n" ); document.write( "\n" ); document.write( "From the above definition:\r
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\n" ); document.write( "\n" ); document.write( "\"log%2810%2C%28x%5E2-936%29%29=3\" if and only if \"10%5E3=x%5E2-936\"\r
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\n" ); document.write( "\n" ); document.write( "So:\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-936-1000=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-1936=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28x-44%29%28x%2B44%29=0\"\r
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\n" ); document.write( "\n" ); document.write( "Therefore \"x=44\" or \"x=-44\"\r
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