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Least Common Multiple
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121x^{2}-49=\left(11x-7\right)\left(11x+7\right)
Factor the expressions that are not already factored.
3\left(7114800x^{17}-154069300x^{16}+974420312x^{15}+468774919x^{14}-26404056068x^{13}+79420916832x^{12}+82361434536x^{11}-848667214670x^{10}+1387138538176x^{9}+849230822576x^{8}-6073720987168x^{7}+9170931233823x^{6}-6122801865708x^{5}+481172815692x^{4}+2183520460320x^{3}-1590987267072x^{2}+485119756800x-57610828800\right)
Identify all the factors and their highest power in all expressions. Multiply the highest powers of these factors to get the least common multiple.
21344400x^{17}-462207900x^{16}+2923260936x^{15}+1406324757x^{14}-79212168204x^{13}+238262750496x^{12}+247084303608x^{11}-2546001644010x^{10}+4161415614528x^{9}+2547692467728x^{8}-18221162961504x^{7}+27512793701469x^{6}-18368405597124x^{5}+1443518447076x^{4}+6550561380960x^{3}-4772961801216x^{2}+1455359270400x-172832486400
Expand the expression.