(a-2b)×(a²+2ab+4b²)=?

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(a-2b)×(a²+2ab+4b²)=?(a-2b)×(a²+2ab+4b²)=?(a-2b)×(a²+2ab+4b²)=?

(a-2b)×(a²+2ab+4b²)=?
(a-2b)×(a²+2ab+4b²)=?

(a-2b)×(a²+2ab+4b²)=?