Question

2a-3b = 3
ab=2
Find 8a^3 – 27b^3​

Answer 1

Answer:

131/4

Step-by-step explanation:

ab=2

so,a=b/2

so, Put it in 2a-3b=3

2(b/2)-3b=3

b-3b=3

-2b=3

b= -3/2

so,a=b/2

so,a= -3/2×2

so,a= -3/4

so,8(-3/4)^3-27(-3/2)^3

so,8(-27/64)-27(-27/8)

so,-27/8+289/8

so,262/8=131/4

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Answer 2

Answer:

the answer is 52

Step-by-step explanation: