document.write( "Question 281305: 2x-72=0
\n" ); document.write( "the book says the answer is -6,6 but i dont know how
\n" ); document.write( "

Algebra.Com's Answer #204315 by richwmiller(17219)\"\" \"About 
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2x=72
\n" ); document.write( "x=36
\n" ); document.write( "perhaps the equation was
\n" ); document.write( "2x^2-72=0
\n" ); document.write( "x^2=36
\n" ); document.write( "x=-6
\n" ); document.write( "x=+6
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