please find the value of
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64x^3-125z^3
=(4x-5z)^3 + 3xz(4x-5x)
=16^3 + 3×12×16
=4096 + 576
=4672
=(4x-5z)^3 + 3xz(4x-5x)
=16^3 + 3×12×16
=4096 + 576
=4672
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