document.write( "Question 225813: solve for x by using the factoring method:
\n" ); document.write( "3x^2-48=0
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Algebra.Com's Answer #168384 by ankor@dixie-net.com(22740)\"\" \"About 
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solve for x by using the factoring method:
\n" ); document.write( "3x^2 - 48 = 0
\n" ); document.write( "Factor out 3
\n" ); document.write( "3(x^2 - 16)
\n" ); document.write( "x^2 = 16
\n" ); document.write( "x = \"sqrt%2816%29\"
\n" ); document.write( "x = +/- 4
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\n" ); document.write( ":
\n" ); document.write( "Is this true?
\n" ); document.write( "3(4^2) - 48 = 0
\n" ); document.write( "3(16) - 48 = 0
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