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-2Ab + a square, a cubic - 4 times a times b square, a square - 4AB + 4 times b square, what are their common factors?
The third power of (a-b) * (a + b) - 2Ab * (the square of a - the square of B)
calculation
(a-b)(a+b)³-2ab(a²-b²)
=(a-b)(a+b)(a+b)²-2ab(a²-b²)
=(a²-b²)(a+b)²-2ab(a²-b²)
=(a²-b²)[(a+b)²-2ab]
=(a²-b²)(a²+2ab+b²-2ab)
=(a²-b²)(a²+b²)
=A ^ 4-b ^ 4 ^ is the power
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