Find HCF of the expressions by factorization method.

In this video we will find the HCF of the following expressions by factorization method:
(I) (x+6)² and x²-36
(II) x⁴-y⁴ and x⁴+2x²y²+y⁴
(III) x-3,x²-9,(x-3)²
(IV) 2³3²(x-y)³(x+2y)²,2³3²(x-y)²(x+2y)³,3²(x-y)²(x+2y)
(V) 2x⁴-2y⁴,6x²+12xy+6y²,9x³+9y³
Class 9th math exercise 6.1 question 1 all parts
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