Question 627159
what is the LCM of x^2+6x, and x^2-6x
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factor each:
x^2+6x = x(x+6)
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x^2-6x = x(x-6) 
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LCM: 
x(x+6)(x-6)  (this is the answer)
or, you could expand it:
x(x^2-36)
x^3-36x