document.write( "Question 1208433: Find the LCM of the given polynomials.\r
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document.write( "x^2 - x- 12; x^2 - 8x + 16\r
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document.write( "Let me see.\r
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document.write( "x^2 - x - 12 = (x - 4)(x + 3)\r
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document.write( "x^2 - 8x + 16 = (x - 4)(x - 4) = (x - 4)^2\r
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document.write( "LCM = (x - 4)(x + 3)\r
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document.write( "You say?\r
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document.write( "Question:\r
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document.write( "What about if there are 3 given polynomials?\r
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document.write( "Sample:\r
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document.write( "Given x^2 + 4x + 4; x^3 + 2x^2; (x + 2)^3, find the LCM.
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Algebra.Com's Answer #846850 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "The LCM must contain each factor the greatest number of times it occurs in each polynomial. \n" ); document.write( "x^2-x-12 = (x-4)(x+3) \n" ); document.write( "x^2-8x+16 = (x-4)(x-4) = (x-4)^2 \n" ); document.write( "The LCM is (x+3)(x-4)^2. \n" ); document.write( "The process extends easily to 3 or more polynomials: \n" ); document.write( "x^2+4x+4 = (x+2)^2 \n" ); document.write( "x^3+2x^2 = x^2(x+2) \n" ); document.write( "(x+2)^3 = (x+2)^3 \n" ); document.write( "The LCM is x^2(x+2)^3. \n" ); document.write( " \n" ); document.write( " |