Question

Find 64 xcube-125 zcube if 4 x-5 z= 16 and xz = 12

Answer 1

Answer:

4672

Step-by-step explanation:

4x - 5z = 16

cubing both sides

64x^3 - 125z^3 -3×12(16) = 4096

64x^3 - 125z^3 = 4672