Question

If 2x-3y - 4z = 0, then find 8x³ - 27y³ - 64z³ step by step

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Answer 1

Answer:

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Answer 2

Answer:

2x + 3y = 13

(2x + 3y)³ = 2197

8x³ + 36x²y + 54xy² + 27y³ = 2197

8x³ + 27y³ + 18xy(2x + 3y) = 2197

8x³ + 27y³ + 18(6)(13) = 2197

8x³ + 27y³ + 1404 = 2197

8x³ + 27y³ = 2197 - 1404

8x³ + 27y³ = 793