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stellarik [79]
3 years ago
12

SOMEONE PLEASE HELP, I'M SO CONFUSED.

Mathematics
1 answer:
Fantom [35]3 years ago
5 0
Taking this step by step:

We can start by squaring 2x+5.  Expanding (2x+5)(2x+5), we get:
4x^2+20x+25

Multiplying by 4pi, we then get:

16x^2\pi + 80x\pi + 100\pi

This is equal to option C.
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