document.write( "Question 586897: Solve.
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document.write( "12(x-4)-(x+2)=(x+2)(x-4)
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document.write( "They book has the answer of 7 and 6.
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document.write( "Can you tell me how they got this answer?
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document.write( "I came up with x = 13 and 208. \n" );
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Algebra.Com's Answer #373921 by Edwin McCravy(20055)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "12(x - 4) - (x + 2) = (x + 2)(x - 4)\r\n" ); document.write( "\r\n" ); document.write( " 12x - 48 - x - 2 = x² - 4x + 2x - 8\r\n" ); document.write( "\r\n" ); document.write( " 11x - 50 = x² - 2x - 8\r\n" ); document.write( "\r\n" ); document.write( " 0 = x² - 13x + 42\r\n" ); document.write( "\r\n" ); document.write( " 0 = (x - 7)(x - 6)\r\n" ); document.write( "\r\n" ); document.write( " x - 7 = 0; x - 6 = 0\r\n" ); document.write( " \r\n" ); document.write( " x = 7 x = 6\r\n" ); document.write( "\r\n" ); document.write( "Edwin\n" ); document.write( " |