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Find the square of 7-2v10.​

1 Answer

4 votes

Answer:

89 - 28v10 = 0.456

Explanation:

(7-2v10)² = 7² - 2*7*2v10 + (2v10)²

(7-2v10)² = 49 -28v10 + 40

(7-2v10)² = 89 - 28v10

User David Gelhar
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