document.write( "Question 399406: Could you please show step by step how to multiply this out?
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document.write( "Thanks so much!\r
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document.write( "(x+5)(75/x - .50) = 75 \n" );
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Algebra.Com's Answer #282833 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! (x+5)(75/x - .50) = 75 \n" ); document.write( "(x)(75/x) - (x)*0.50 + 5(75/x) - 5(0.50) = 75 \n" ); document.write( "---- \n" ); document.write( "75 - 0.5x + 375/x - 0.25 = 75 \n" ); document.write( "--- \n" ); document.write( "-0.5x + 375/x - 0.25 = 0 \n" ); document.write( "--- \n" ); document.write( "Multiply thru by -x to get: \n" ); document.write( "0.5x^2 - 375 + 0.25x = 0 \n" ); document.write( "---- \n" ); document.write( "Multiply thru by 100 and rearrange to get: \n" ); document.write( "50x^2 + 25x - 37500 = 0 \n" ); document.write( "--- \n" ); document.write( "Divide thru by 25 to get: \n" ); document.write( "2x^2 + x - 1500 = 0 \n" ); document.write( "---- \n" ); document.write( "Solve using the Quadratic formula. \n" ); document.write( "---- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |