If 2x-3y-4z=0,then find 8x³-27y³-64z³.
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4
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
Answered by
0
Answer:
72 xyz is your answer..
Step-by-step explanation:
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