Answer :

Factors of a3-4a2 + 4a

=a(a2-4a + 4)


=a(a-2)2


Factors of a2 + a-6


= a2 + 3a-2a-6


=a(a + 3)-2(a + 3)


=(a + 3)(a-2)


Factors of a3-8


=(a-2)(a2 + 2a + 4)


LCM is the lowest common multiple, which is the product of all the common factors taken once and the remaining factors as it is.


the LCM of a3-4a2 + 4a, a2 + a-6, a3-8 is a(a-2)2(a2 + 2a + 4) (a + 3)


GCD is the greatest common divisor, which is equal to the product of all the common divisors.


the GCD is (a-2)


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