find 27p^3 - 8q^3.please answer it quickly
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Step-by-step explanation:
27p^3 - 8q^3
=(3p)^3-(2q)^3 (a^3-b^3=(a-b)(a^2+ab+b^2)
=(3p-2q)((3p)^2+(3p)(2q)+(2q)^2)
=(3p-2q)(9p^2+6pq+4q^2)
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