I’m pretty sure it’s y if not I’m sorry
Option C:

Solution:
Given expression: 2 ln 8 + 2 ln y
Applying log rule
in the above expression.
⇒ 
Applying log rule
in the above expression.
⇒ 
We know that 
⇒
Hence, the expression in single natural logarithm is
.
Answer:
i have
Step-by-step explanation:
said what
Answer:
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Step-by-step explanation:
Step-by-step explanation:
3(x + 1)(x + 7) − (2x + 5)²
3(x² + 8x + 7) − (4x² + 20x + 25)
3x² + 24x + 21 − 4x² − 20x − 25
-x² + 4x − 4
-(x² − 4x + 4)
-(x − 2)²
A squared number is never negative (provided x is a real number), so -(x − 2)² is never positive.