document.write( "Question 1079828: 1/(x^2-x-12)=(A/(x-4))+(B/(x+3))
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document.write( "Find A,B for this equation to make sense\r
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document.write( "(2/((x-5)(x+3))=(A/(x-5))+(B/(x+3))
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document.write( "Find A,B for this equation to make sense \n" );
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Algebra.Com's Answer #694061 by Boreal(15235) You can put this solution on YOUR website! Common denominator is x^2-x-12 \n" ); document.write( "A(x+3)+B(x-4)=1 \n" ); document.write( "Ax+3A+Bx-4B=1 \n" ); document.write( "Let x=-3 \n" ); document.write( "-3A+3A-3B-4B=1 \n" ); document.write( "B=-1/7 \n" ); document.write( "Let x=4 \n" ); document.write( "7A=1. A=1/7 \n" ); document.write( "---------------------------- \n" ); document.write( "A(x+3)+B(x-5)=2 \n" ); document.write( "Ax+3A+Bx-5B=2 \n" ); document.write( "Let x=-3 \n" ); document.write( "-8B-2; B=-1/4 \n" ); document.write( "Let x=5 \n" ); document.write( "8A=2 \n" ); document.write( "A=1/4 \n" ); document.write( " \n" ); document.write( " |