document.write( "Question 420812: List all real values of x such that f (x) = 0. If there
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document.write( "are no such real x, type DNE in the answer blank. If there is
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document.write( "more that one real x, give a comma separated list (e.g. 1,2).
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document.write( "f(x)= (-3/x-7)+(-8/x+5)
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Algebra.Com's Answer #293924 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! (-3/x-7)+(-8/x+5) = 0 \n" ); document.write( "--- \n" ); document.write( "Multiply thru by (x-7)(x+5) to get: \n" ); document.write( "-3(x+5) - 8(x-7) = 0 \n" ); document.write( "-11x -15+56 = 0 \n" ); document.write( "-11x = -41 \n" ); document.write( "--- \n" ); document.write( "x = 41/11 \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |