Question

if 3 X + 2 Y = 12 and xy = 6 find the value of 27 x cube + 8 y cube​

Answer 1

Answer:

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

(3x+2y)^3=12^3

27x^3+8y^3+3.3x.2y(3x+2y)=1728

27x^3+8y^3+18xy.12=1728

27x^3+8y^3+18.6.12=1728

27x^3+8y^3+1296=1728

27x^3+8y^3=1728-1296

27x^3+8y^3=432