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marysya [2.9K]
3 years ago
10

Can someone help me with this

Mathematics
1 answer:
zubka84 [21]3 years ago
8 0

Answer:

qr=1.3

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

(2a−b)2 =(2a+−b)(2a+−b)

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 Sooo our equation =4a2−2ab−2ab+b2

Hoped I helped -

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