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Assume that the expression given are denomintors of fractions.find the LCD for the group

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2 Answers

k^2 +5k, k^2 +3k -10
 
k(k+5), (k+5)(k-2)
 
LCD = k(k+5)(k-2)
factor the polynomials
 
k^2+5k=k(k+5)
k^2+3k-10=(k+5)(k-2)
 
LCM or LCD is k(k+5)(k-2)