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Evaluate the following when a = 4 and b = 7 (a+b)^2 - (a^2 + b^2)
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19 votes
Evaluate the following when a = 4 and b = 7 (a+b)^2 - (a^2 + b^2)

User TheGuyNextDoor
by
7.5k points

2 Answers

4 votes

Answer:

56

Explanation:

(4 + 7)² - (4² + 7²) = 11² - (16 + 49) = 121 - 65 = 56

User Zukanta
by
7.1k points
9 votes

Answer:

56

Explanation:

(4+7)²-(4²+7²)=121-65

=56

User Tim Diggins
by
7.5k points
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