Find the lowest common multiple of ( ) and ( ).
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To find the LCM of x 3 + 9 x 2 + 1 4 x a n d 3 x 3 + 6 x 2 , we need to list the factors of each equation.
x 3 + 9 x 2 + 1 4 x = x ( x + 2 ) ( x + 7 ) ;
3 x 3 + 6 x 2 = 3 x x ( x + 2 ) ⟹ the LCM is 3 x 2 ( x + 7 ) ( x + 2 )
Note: I colored the common factors between the two equations, so you take all the factors but for the repeated ones, you take only one of each factor, then multiply all the factors to get the LCM.