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The following polynomials can be decomposed by common factor method is a x ^ 2 + 16x + 64 B x ^ 2-16x-64 C x ^ 2 + 4xy + y ^ 2 D x ^ 2-4xy-4y ^ 2
A.
(x+8)^2
The common factor of (a + x) ^ (M + 1) (B + x) ^ (n-1) - (a + x) ^ m (B + x) ^ n is
(a+x)^m（b+x)^(n-1)
What common factor can be extracted by decomposing m (A-X) (A-X) (X-B) - nm (x-a) (b-X) (b-X) into factors?
The result of M (x-a) (X-B) is m (x-a) (X-B) [(1-N) x-a + Nb]
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