find the value of 64x³-125z³ if 4x-5z=16 and xz=12.
arpitsahoo:
answer please
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15616 is the answer hope it will help u
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Answer:
4x-5z=16 xz=12 (substitute that value of x here)
4x= 15+5z 3.75+1.25z * z= 12
x = 3.75+1.25z 3.75+1.25z^2 = 12
1.25z^2 = 8.25
i dont have time to write rest sorry
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