To multiply the polynomial \(3x^2(2x^4 - 15x)\) using the Distributive Property, distribute \(3x^2\) to each term inside the parentheses:
\[ 3x^2 \cdot 2x^4 + 3x^2 \cdot (-15x) \]
Calculating each term:
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For the first term: \[ 3x^2 \cdot 2x^4 = 6x^{2+4} = 6x^6 \]
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For the second term: \[ 3x^2 \cdot (-15x) = -45x^{2+1} = -45x^3 \]
Now, combine the results:
\[ 6x^6 - 45x^3 \]
So, the final result of multiplying \(3x^2(2x^4 - 15x)\) is:
\[ \boxed{6x^6 - 45x^3} \]