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kotykmax [81]
3 years ago
6

(a +2b)2 + 4b² - a²​

Mathematics
1 answer:
jeyben [28]3 years ago
3 0

Answer:

a^2+4b^2+2a+4b

Step-by-step explanation:

(a +2b)2 + 4b² - a²​

=2a+4b+4b^2+a^2

=a^2+4b^2+2a+4b

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