document.write( "Question 197945This question is from textbook beginning and intermediate algebra
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document.write( ": find three consecutive odd integers such that 3 times the sum of all three is 18 more than the product of the first and second integers \n" );
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Algebra.Com's Answer #148475 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! find three consecutive odd integers such that 3 times the sum of all three is 18 \n" ); document.write( " more than the product of the first and second integers \n" ); document.write( ": \n" ); document.write( "\"three consecutive odd integers\": x, (x+2), (x+4) \n" ); document.write( ": \n" ); document.write( "\"3 times the sum of all three is 18 more than the product of the first and second integers\" \n" ); document.write( "3(x + (x+2 + (x+4)) = x(x+2) + 18 \n" ); document.write( ": \n" ); document.write( "3(3x + 6) = x^2 + 2x + 18 \n" ); document.write( ": \n" ); document.write( "9x + 18 = x^2 + 2x + 18 \n" ); document.write( "Subtract 18 from both sides: \n" ); document.write( "9x = x^2 + 2x \n" ); document.write( ": \n" ); document.write( "0 = x^2 + 2x - 9x \n" ); document.write( ": \n" ); document.write( "x^2 - 7x = 0 \n" ); document.write( "Factor out x \n" ); document.write( "x(x - 7) = 0 \n" ); document.write( "Two solutions \n" ); document.write( "x = 0 \n" ); document.write( "and \n" ); document.write( "x = +7 \n" ); document.write( ": \n" ); document.write( "Both solutions will work in the original equation, however only x=7, 9, 11 are the odd solutions \n" ); document.write( " |