write in expanded from [9x-y+1/3z]^2
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Answered by
7
Answer:
Step-by-step explanation:
[9x-y+1/3z]² = [27x-3y+z]²
= [27x-3y+z]×[27x-3y+z]
= 729x²-81xy+27xz-81xy+9y²-3yz+27xz-3yz+z²
= 729x²+9y²+z²-162xy+54xz-6yz
Hope it helps
Answered by
1
Answer:
This is the correct answer.
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